1023421308 has 96 divisors (see below), whose sum is σ = 2994679296. Its totient is φ = 264805632.

The previous prime is 1023421307. The next prime is 1023421309. The reversal of 1023421308 is 8031243201.

It is an interprime number because it is at equal distance from previous prime (1023421307) and next prime (1023421309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023421303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49035 + ... + 66717.

It is an arithmetic number, because the mean of its divisors is an integer number (31194576).

Almost surely, 2^1023421308 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 1023421308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497339648).

1023421308 is an abundant number, since it is smaller than the sum of its proper divisors (1971257988).

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

1023421308 is a wasteful number, since it uses less digits than its factorization.

1023421308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17763 (or 17761 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1023421308 is about 31990.9566596562. The cubic root of 1023421308 is about 1007.7469327228.

Adding to 1023421308 its reverse (8031243201), we get a palindrome (9054664509).

The spelling of 1023421308 in words is "one billion, twenty-three million, four hundred twenty-one thousand, three hundred eight".