100623887431 has 4 divisors (see below), whose sum is σ = 100692856600. Its totient is φ = 100554918264.

The previous prime is 100623887407. The next prime is 100623887449. The reversal of 100623887431 is 134788326001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134788326001 = 7 ⋅19255475143.

It is a cyclic number.

It is not a de Polignac number, because 100623887431 - 2³³ = 92033952839 is a prime.

It is a super-2 number, since 2×100623887431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100623887461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34482396 + ... + 34485313.

It is an arithmetic number, because the mean of its divisors is an integer number (25173214150).

Almost surely, 2^100623887431 is an apocalyptic number.

100623887431 is a deficient number, since it is larger than the sum of its proper divisors (68969169).

100623887431 is an equidigital number, since it uses as much as digits as its factorization.

100623887431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68969168.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 100623887431 in words is "one hundred billion, six hundred twenty-three million, eight hundred eighty-seven thousand, four hundred thirty-one".