23612157457 has 8 divisors (see below), whose sum is σ = 26990859200. Its totient is φ = 20234839824.

The previous prime is 23612157433. The next prime is 23612157461. The reversal of 23612157457 is 75475121632.

It is a happy number.

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 23612157457 - 2¹⁵ = 23612124689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23612157467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309207 + ... + 377932.

It is an arithmetic number, because the mean of its divisors is an integer number (3373857400).

Almost surely, 2^23612157457 is an apocalyptic number.

It is an amenable number.

23612157457 is a deficient number, since it is larger than the sum of its proper divisors (3378701743).

23612157457 is an equidigital number, since it uses as much as digits as its factorization.

23612157457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692055.

The product of its digits is 352800, while the sum is 43.

The spelling of 23612157457 in words is "twenty-three billion, six hundred twelve million, one hundred fifty-seven thousand, four hundred fifty-seven".