811023432 has 32 divisors (see below), whose sum is σ = 2028257280. Its totient is φ = 270248000.

The previous prime is 811023431. The next prime is 811023463. The reversal of 811023432 is 234320118.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (811023431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128953 + ... + 135095.

It is an arithmetic number, because the mean of its divisors is an integer number (63383040).

Almost surely, 2^811023432 is an apocalyptic number.

It is an amenable number.

811023432 is an abundant number, since it is smaller than the sum of its proper divisors (1217233848).

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

811023432 is a wasteful number, since it uses less digits than its factorization.

811023432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11653 (or 11649 counting only the distinct ones).

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

The square root of 811023432 is about 28478.4731332282. The cubic root of 811023432 is about 932.5621842299.

The spelling of 811023432 in words is "eight hundred eleven million, twenty-three thousand, four hundred thirty-two".