23515506056154 has 16 divisors (see below), whose sum is σ = 53749728128448. Its totient is φ = 6718716016032.

The previous prime is 23515506056153. The next prime is 23515506056179. The reversal of 23515506056154 is 45165060551532.

It is not an unprimeable number, because it can be changed into a prime (23515506056153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279946500627 + ... + 279946500710.

It is an arithmetic number, because the mean of its divisors is an integer number (3359358008028).

Almost surely, 2^{23515506056154} is an apocalyptic number.

23515506056154 is an abundant number, since it is smaller than the sum of its proper divisors (30234222072294).

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

23515506056154 is a wasteful number, since it uses less digits than its factorization.

23515506056154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559893001349.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 23515506056154 in words is "twenty-three trillion, five hundred fifteen billion, five hundred six million, fifty-six thousand, one hundred fifty-four".