23420131204144 has 20 divisors (see below), whose sum is σ = 45376746372496. Its totient is φ = 11710003108032.

The previous prime is 23420131204123. The next prime is 23420131204181. The reversal of 23420131204144 is 44140213102432.

It is a happy 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, 736179 + ... + 6883474.

Almost surely, 2^{23420131204144} is an apocalyptic number.

It is an amenable number.

23420131204144 is a deficient number, since it is larger than the sum of its proper divisors (21956615168352).

23420131204144 is a wasteful number, since it uses less digits than its factorization.

23420131204144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811764 (or 7811758 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23420131204144 its reverse (44140213102432), we get a palindrome (67560344306576).

The spelling of 23420131204144 in words is "twenty-three trillion, four hundred twenty billion, one hundred thirty-one million, two hundred four thousand, one hundred forty-four".