100023435431 has 8 divisors (see below), whose sum is σ = 101979722640. Its totient is φ = 98082988992.

The previous prime is 100023435377. The next prime is 100023435433. The reversal of 100023435431 is 134534320001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100023435431 is a prime.

It is a super-2 number, since 2×100023435431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100023435431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023435433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947441 + ... + 3972698.

It is an arithmetic number, because the mean of its divisors is an integer number (12747465330).

Almost surely, 2^100023435431 is an apocalyptic number.

100023435431 is a deficient number, since it is larger than the sum of its proper divisors (1956287209).

100023435431 is an equidigital number, since it uses as much as digits as its factorization.

100023435431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920385.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 100023435431 its reverse (134534320001), we get a palindrome (234557755432).

The spelling of 100023435431 in words is "one hundred billion, twenty-three million, four hundred thirty-five thousand, four hundred thirty-one".