23125550217 has 16 divisors (see below), whose sum is σ = 38442473472. Its totient is φ = 12013272720.

The previous prime is 23125550167. The next prime is 23125550263. The reversal of 23125550217 is 71205552132.

It is not a de Polignac number, because 23125550217 - 2⁸ = 23125549961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (23125550267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50055073 + ... + 50055534.

It is an arithmetic number, because the mean of its divisors is an integer number (2402654592).

Almost surely, 2^23125550217 is an apocalyptic number.

It is an amenable number.

23125550217 is a deficient number, since it is larger than the sum of its proper divisors (15316923255).

23125550217 is a wasteful number, since it uses less digits than its factorization.

23125550217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110628.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 23125550217 in words is "twenty-three billion, one hundred twenty-five million, five hundred fifty thousand, two hundred seventeen".