23400131144 has 32 divisors (see below), whose sum is σ = 47334309120. Its totient is φ = 10780850496.

The previous prime is 23400131143. The next prime is 23400131159. The reversal of 23400131144 is 44113100432.

It is a super-2 number, since 2×23400131144² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23400131141) 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, 141272 + ... + 258375.

It is an arithmetic number, because the mean of its divisors is an integer number (1479197160).

Almost surely, 2^23400131144 is an apocalyptic number.

It is an amenable number.

23400131144 is an abundant number, since it is smaller than the sum of its proper divisors (23934177976).

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

23400131144 is a wasteful number, since it uses less digits than its factorization.

23400131144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400229 (or 400225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23400131144 its reverse (44113100432), we get a palindrome (67513231576).

The spelling of 23400131144 in words is "twenty-three billion, four hundred million, one hundred thirty-one thousand, one hundred forty-four".