23144312140 has 12 divisors (see below), whose sum is σ = 48603055536. Its totient is φ = 9257724848.

The previous prime is 23144312111. The next prime is 23144312153. The reversal of 23144312140 is 4121344132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578607784 + ... + 578607823.

It is an arithmetic number, because the mean of its divisors is an integer number (4050254628).

Almost surely, 2^23144312140 is an apocalyptic number.

23144312140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144312140 is an abundant number, since it is smaller than the sum of its proper divisors (25458743396).

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

23144312140 is a wasteful number, since it uses less digits than its factorization.

23144312140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157215616 (or 1157215614 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 23144312140 its reverse (4121344132), we get a palindrome (27265656272).

The spelling of 23144312140 in words is "twenty-three billion, one hundred forty-four million, three hundred twelve thousand, one hundred forty".