1023456112 has 80 divisors (see below), whose sum is σ = 2336850432. Its totient is φ = 425053440.

The previous prime is 1023456097. The next prime is 1023456121. The reversal of 1023456112 is 2116543201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034453 + ... + 2034955.

Almost surely, 2^1023456112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023456112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168425216).

1023456112 is an abundant number, since it is smaller than the sum of its proper divisors (1313394320).

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

1023456112 is a wasteful number, since it uses less digits than its factorization.

1023456112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1023456112 is about 31991.5006212588. The cubic root of 1023456112 is about 1007.7583562445.

Adding to 1023456112 its reverse (2116543201), we get a palindrome (3139999313).

The spelling of 1023456112 in words is "one billion, twenty-three million, four hundred fifty-six thousand, one hundred twelve".