23151927166 has 4 divisors (see below), whose sum is σ = 34727890752. Its totient is φ = 11575963582.

The previous prime is 23151927133. The next prime is 23151927199. The reversal of 23151927166 is 66172915132.

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

It is an interprime number because it is at equal distance from previous prime (23151927133) and next prime (23151927199).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5787981790 + ... + 5787981793.

It is an arithmetic number, because the mean of its divisors is an integer number (8681972688).

Almost surely, 2^23151927166 is an apocalyptic number.

23151927166 is a deficient number, since it is larger than the sum of its proper divisors (11575963586).

23151927166 is a wasteful number, since it uses less digits than its factorization.

23151927166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11575963585.

The product of its digits is 136080, while the sum is 43.

The spelling of 23151927166 in words is "twenty-three billion, one hundred fifty-one million, nine hundred twenty-seven thousand, one hundred sixty-six".