23012200015 has 12 divisors (see below), whose sum is σ = 32123153016. Its totient is φ = 15779794128.

The previous prime is 23012200007. The next prime is 23012200033. The reversal of 23012200015 is 51000221032.

It is not a de Polignac number, because 23012200015 - 2³ = 23012200007 is a prime.

It is a super-2 number, since 2×23012200015² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46963429 + ... + 46963918.

It is an arithmetic number, because the mean of its divisors is an integer number (2676929418).

Almost surely, 2^23012200015 is an apocalyptic number.

23012200015 is a deficient number, since it is larger than the sum of its proper divisors (9110953001).

23012200015 is an equidigital number, since it uses as much as digits as its factorization.

23012200015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93927366 (or 93927359 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 23012200015 its reverse (51000221032), we get a palindrome (74012421047).

The spelling of 23012200015 in words is "twenty-three billion, twelve million, two hundred thousand, fifteen".