23708881692 has 18 divisors (see below), whose sum is σ = 59930784368. Its totient is φ = 7902960552.

The previous prime is 23708881621. The next prime is 23708881699. The reversal of 23708881692 is 29618880732.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×23708881692² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23708881699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329289988 + ... + 329290059.

Almost surely, 2^23708881692 is an apocalyptic number.

It is an amenable number.

23708881692 is an abundant number, since it is smaller than the sum of its proper divisors (36221902676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23708881692 is a wasteful number, since it uses less digits than its factorization.

23708881692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658580057 (or 658580052 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 23708881692 in words is "twenty-three billion, seven hundred eight million, eight hundred eighty-one thousand, six hundred ninety-two".