23425761217 has 4 divisors (see below), whose sum is σ = 23722289920. Its totient is φ = 23129232516.

The previous prime is 23425761127. The next prime is 23425761223. The reversal of 23425761217 is 71216752432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23425761217 - 2⁷ = 23425761089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23425761217.

It is not an unprimeable number, because it can be changed into a prime (23425761917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148264233 + ... + 148264390.

It is an arithmetic number, because the mean of its divisors is an integer number (5930572480).

Almost surely, 2^23425761217 is an apocalyptic number.

It is an amenable number.

23425761217 is a deficient number, since it is larger than the sum of its proper divisors (296528703).

23425761217 is an equidigital number, since it uses as much as digits as its factorization.

23425761217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296528702.

The product of its digits is 141120, while the sum is 40.

The spelling of 23425761217 in words is "twenty-three billion, four hundred twenty-five million, seven hundred sixty-one thousand, two hundred seventeen".