23147377205 has 8 divisors (see below), whose sum is σ = 27787084800. Its totient is φ = 18511080336.

The previous prime is 23147377163. The next prime is 23147377213. The reversal of 23147377205 is 50277374132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23147377205 - 2²⁰ = 23146328629 is a prime.

It is a super-2 number, since 2×23147377205² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837725 + ... + 864914.

It is an arithmetic number, because the mean of its divisors is an integer number (3473385600).

Almost surely, 2^23147377205 is an apocalyptic number.

It is an amenable number.

23147377205 is a deficient number, since it is larger than the sum of its proper divisors (4639707595).

23147377205 is a wasteful number, since it uses less digits than its factorization.

23147377205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705363.

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 23147377205 in words is "twenty-three billion, one hundred forty-seven million, three hundred seventy-seven thousand, two hundred five".