1023421152 has 96 divisors (see below), whose sum is σ = 2906578080. Its totient is φ = 313436160.

The previous prime is 1023421151. The next prime is 1023421153. The reversal of 1023421152 is 2511243201.

It is an interprime number because it is at equal distance from previous prime (1023421151) and next prime (1023421153).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1023421152² = 2094781708722014208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023421151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284002 + ... + 287582.

It is an arithmetic number, because the mean of its divisors is an integer number (30276855).

Almost surely, 2^1023421152 is an apocalyptic number.

1023421152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023421152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453289040).

1023421152 is an abundant number, since it is smaller than the sum of its proper divisors (1883156928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023421152 is a wasteful number, since it uses less digits than its factorization.

1023421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1023421152 is about 31990.9542214670. The cubic root of 1023421152 is about 1007.7468815192.

Adding to 1023421152 its reverse (2511243201), we get a palindrome (3534664353).

The spelling of 1023421152 in words is "one billion, twenty-three million, four hundred twenty-one thousand, one hundred fifty-two".