23144002120 has 32 divisors (see below), whose sum is σ = 52610859000. Its totient is φ = 9162160128.

The previous prime is 23144002081. The next prime is 23144002129. The reversal of 23144002120 is 2120044132.

It can be written as a sum of positive squares in 4 ways, for example, as 19171725444 + 3972276676 = 138462^2 + 63026^2 .

It is not an unprimeable number, because it can be changed into a prime (23144002129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2978595 + ... + 2986354.

Almost surely, 2^23144002120 is an apocalyptic number.

23144002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144002120 is an abundant number, since it is smaller than the sum of its proper divisors (29466856880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23144002120 is a wasteful number, since it uses less digits than its factorization.

23144002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965057 (or 5965053 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23144002120 its reverse (2120044132), we get a palindrome (25264046252).

The spelling of 23144002120 in words is "twenty-three billion, one hundred forty-four million, two thousand, one hundred twenty".