10431211523 has 4 divisors (see below), whose sum is σ = 10436463240. Its totient is φ = 10425959808.

The previous prime is 10431211507. The next prime is 10431211541. The reversal of 10431211523 is 32511213401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10431211523 - 2⁴ = 10431211507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10431211423) 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, 2622878 + ... + 2626851.

It is an arithmetic number, because the mean of its divisors is an integer number (2609115810).

Almost surely, 2^10431211523 is an apocalyptic number.

10431211523 is a deficient number, since it is larger than the sum of its proper divisors (5251717).

10431211523 is an equidigital number, since it uses as much as digits as its factorization.

10431211523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251716.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 10431211523 its reverse (32511213401), we get a palindrome (42942424924).

The spelling of 10431211523 in words is "ten billion, four hundred thirty-one million, two hundred eleven thousand, five hundred twenty-three".