1023040432 has 20 divisors (see below), whose sum is σ = 1984491040. Its totient is φ = 510913728.

The previous prime is 1023040387. The next prime is 1023040573. The reversal of 1023040432 is 2340403201.

It is a super-2 number, since 2×1023040432² = 2093223451013493248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23832 + ... + 51127.

It is an arithmetic number, because the mean of its divisors is an integer number (99224552).

Almost surely, 2^1023040432 is an apocalyptic number.

It is an amenable number.

1023040432 is a deficient number, since it is larger than the sum of its proper divisors (961450608).

1023040432 is an equidigital number, since it uses as much as digits as its factorization.

1023040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75820 (or 75814 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1023040432 is about 31985.0032358917. The cubic root of 1023040432 is about 1007.6219030006.

Adding to 1023040432 its reverse (2340403201), we get a palindrome (3363443633).

The spelling of 1023040432 in words is "one billion, twenty-three million, forty thousand, four hundred thirty-two".