23423908534013 has 32 divisors (see below), whose sum is σ = 27522970806240. Its totient is φ = 19853835755520.

The previous prime is 23423908534003. The next prime is 23423908534049. The reversal of 23423908534013 is 31043580932432.

It can be written as a sum of positive squares in 16 ways, for example, as 21921376828729 + 1502531705284 = 4682027^2 + 1225778^2 .

It is not a de Polignac number, because 23423908534013 - 2¹⁰ = 23423908532989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423908534003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6117020 + ... + 9179637.

It is an arithmetic number, because the mean of its divisors is an integer number (860092837695).

Almost surely, 2^{23423908534013} is an apocalyptic number.

It is an amenable number.

23423908534013 is a deficient number, since it is larger than the sum of its proper divisors (4099062272227).

23423908534013 is a wasteful number, since it uses less digits than its factorization.

23423908534013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296754 (or 15296728 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 23423908534013 in words is "twenty-three trillion, four hundred twenty-three billion, nine hundred eight million, five hundred thirty-four thousand, thirteen".