23402132004131 has 4 divisors (see below), whose sum is σ = 24778728004392. Its totient is φ = 22025536003872.

The previous prime is 23402132004091. The next prime is 23402132004149. The reversal of 23402132004131 is 13140023120432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23402132004131 is a prime.

It is a super-2 number, since 2×23402132004131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23402132004131.

It is not an unprimeable number, because it can be changed into a prime (23402132004151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688298000105 + ... + 688298000138.

It is an arithmetic number, because the mean of its divisors is an integer number (6194682001098).

Almost surely, 2^{23402132004131} is an apocalyptic number.

23402132004131 is a deficient number, since it is larger than the sum of its proper divisors (1376596000261).

23402132004131 is a wasteful number, since it uses less digits than its factorization.

23402132004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376596000260.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23402132004131 its reverse (13140023120432), we get a palindrome (36542155124563).

The spelling of 23402132004131 in words is "twenty-three trillion, four hundred two billion, one hundred thirty-two million, four thousand, one hundred thirty-one".