23365415515061 has 24 divisors (see below), whose sum is σ = 25457473315584. Its totient is φ = 21419840905920.

The previous prime is 23365415515007. The next prime is 23365415515097. The reversal of 23365415515061 is 16051551456332.

It is a de Polignac number, because none of the positive numbers 2^k-23365415515061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23365415514997 and 23365415515015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23365415515661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147227825 + ... + 147386441.

It is an arithmetic number, because the mean of its divisors is an integer number (1060728054816).

Almost surely, 2^{23365415515061} is an apocalyptic number.

It is an amenable number.

23365415515061 is a deficient number, since it is larger than the sum of its proper divisors (2092057800523).

23365415515061 is a wasteful number, since it uses less digits than its factorization.

23365415515061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171849 (or 171830 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 23365415515061 in words is "twenty-three trillion, three hundred sixty-five billion, four hundred fifteen million, five hundred fifteen thousand, sixty-one".