23315443015431 has 16 divisors (see below), whose sum is σ = 35528452925184. Its totient is φ = 13323050742144.

The previous prime is 23315443015411. The next prime is 23315443015519. The reversal of 23315443015431 is 13451034451332.

It is not a de Polignac number, because 23315443015431 - 2¹⁰ = 23315443014407 is a prime.

It is a super-2 number, since 2×23315443015431² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23315443015431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23315443015411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567560 + ... + 7295426.

It is an arithmetic number, because the mean of its divisors is an integer number (2220528307824).

Almost surely, 2^{23315443015431} is an apocalyptic number.

23315443015431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23315443015431 is a deficient number, since it is larger than the sum of its proper divisors (12213009909753).

23315443015431 is a wasteful number, since it uses less digits than its factorization.

23315443015431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962710.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 23315443015431 its reverse (13451034451332), we get a palindrome (36766477466763).

The spelling of 23315443015431 in words is "twenty-three trillion, three hundred fifteen billion, four hundred forty-three million, fifteen thousand, four hundred thirty-one".