1023398832 has 40 divisors (see below), whose sum is σ = 2645814784. Its totient is φ = 340870464.

The previous prime is 1023398813. The next prime is 1023398863. The reversal of 1023398832 is 2388933201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60813 + ... + 75795.

Almost surely, 2^1023398832 is an apocalyptic number.

1023398832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023398832 is an abundant number, since it is smaller than the sum of its proper divisors (1622415952).

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

1023398832 is a wasteful number, since it uses less digits than its factorization.

1023398832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417 (or 16411 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1023398832 is about 31990.6053709523. The cubic root of 1023398832 is about 1007.7395554137.

The spelling of 1023398832 in words is "one billion, twenty-three million, three hundred ninety-eight thousand, eight hundred thirty-two".