10523165431 has 4 divisors (see below), whose sum is σ = 10523493792. Its totient is φ = 10522837072.

The previous prime is 10523165299. The next prime is 10523165441. The reversal of 10523165431 is 13456132501.

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 10523165431 - 2¹⁵ = 10523132663 is a prime.

It is a super-2 number, since 2×10523165431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10523165393 and 10523165402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523165441) 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, 110191 + ... + 182176.

It is an arithmetic number, because the mean of its divisors is an integer number (2630873448).

Almost surely, 2^10523165431 is an apocalyptic number.

10523165431 is a deficient number, since it is larger than the sum of its proper divisors (328361).

10523165431 is an equidigital number, since it uses as much as digits as its factorization.

10523165431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328360.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 10523165431 its reverse (13456132501), we get a palindrome (23979297932).

The spelling of 10523165431 in words is "ten billion, five hundred twenty-three million, one hundred sixty-five thousand, four hundred thirty-one".