23320143015 has 32 divisors (see below), whose sum is σ = 40195491840. Its totient is φ = 11476945536.

The previous prime is 23320143013. The next prime is 23320143017. The reversal of 23320143015 is 51034102332.

It is an interprime number because it is at equal distance from previous prime (23320143013) and next prime (23320143017).

It is not a de Polignac number, because 23320143015 - 2¹ = 23320143013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320143013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637204 + ... + 672806.

It is an arithmetic number, because the mean of its divisors is an integer number (1256109120).

Almost surely, 2^23320143015 is an apocalyptic number.

23320143015 is a deficient number, since it is larger than the sum of its proper divisors (16875348825).

23320143015 is a wasteful number, since it uses less digits than its factorization.

23320143015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38983.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23320143015 its reverse (51034102332), we get a palindrome (74354245347).

The spelling of 23320143015 in words is "twenty-three billion, three hundred twenty million, one hundred forty-three thousand, fifteen".