23739473148 has 12 divisors (see below), whose sum is σ = 55392104040. Its totient is φ = 7913157712.

The previous prime is 23739473141. The next prime is 23739473159. The reversal of 23739473148 is 84137493732.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23739473148² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23739473148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23739473141) 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, 989144703 + ... + 989144726.

It is an arithmetic number, because the mean of its divisors is an integer number (4616008670).

Almost surely, 2^23739473148 is an apocalyptic number.

It is an amenable number.

23739473148 is an abundant number, since it is smaller than the sum of its proper divisors (31652630892).

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

23739473148 is a wasteful number, since it uses less digits than its factorization.

23739473148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978289436 (or 1978289434 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 23739473148 in words is "twenty-three billion, seven hundred thirty-nine million, four hundred seventy-three thousand, one hundred forty-eight".