23312213513144 has 16 divisors (see below), whose sum is σ = 43714430222400. Its totient is φ = 11655032120512.

The previous prime is 23312213513129. The next prime is 23312213513153. The reversal of 23312213513144 is 44131531221332.

It is a happy number.

It is a congruent number.

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, 134237309 + ... + 134410860.

It is an arithmetic number, because the mean of its divisors is an integer number (2732151888900).

Almost surely, 2^{23312213513144} is an apocalyptic number.

It is an amenable number.

23312213513144 is a deficient number, since it is larger than the sum of its proper divisors (20402216709256).

23312213513144 is a wasteful number, since it uses less digits than its factorization.

23312213513144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268659022 (or 268659018 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

Adding to 23312213513144 its reverse (44131531221332), we get a palindrome (67443744734476).

The spelling of 23312213513144 in words is "twenty-three trillion, three hundred twelve billion, two hundred thirteen million, five hundred thirteen thousand, one hundred forty-four".