23712125821858 has 4 divisors (see below), whose sum is σ = 35568188732790. Its totient is φ = 11856062910928.

The previous prime is 23712125821843. The next prime is 23712125821903. The reversal of 23712125821858 is 85812852121732.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23038588821609 + 673537000249 = 4799853^2 + 820693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23712125821799 and 23712125821808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928031455463 + ... + 5928031455466.

Almost surely, 2^{23712125821858} is an apocalyptic number.

23712125821858 is a deficient number, since it is larger than the sum of its proper divisors (11856062910932).

23712125821858 is a wasteful number, since it uses less digits than its factorization.

23712125821858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856062910931.

The product of its digits is 4300800, while the sum is 55.

The spelling of 23712125821858 in words is "twenty-three trillion, seven hundred twelve billion, one hundred twenty-five million, eight hundred twenty-one thousand, eight hundred fifty-eight".