23173177605345 has 16 divisors (see below), whose sum is σ = 41196760187520. Its totient is φ = 12359028056112.

The previous prime is 23173177605337. The next prime is 23173177605353. The reversal of 23173177605345 is 54350677137132.

23173177605345 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 31 + 7 + 76 + 0 + 534 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (23173177605337) and next prime (23173177605353).

It is not a de Polignac number, because 23173177605345 - 2³ = 23173177605337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23173177605291 and 23173177605300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85826583589 + ... + 85826583858.

It is an arithmetic number, because the mean of its divisors is an integer number (2574797511720).

Almost surely, 2^{23173177605345} is an apocalyptic number.

It is an amenable number.

23173177605345 is a deficient number, since it is larger than the sum of its proper divisors (18023582582175).

23173177605345 is a wasteful number, since it uses less digits than its factorization.

23173177605345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171653167461 (or 171653167455 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 54.

The spelling of 23173177605345 in words is "twenty-three trillion, one hundred seventy-three billion, one hundred seventy-seven million, six hundred five thousand, three hundred forty-five".