23930471898 has 64 divisors (see below), whose sum is σ = 54464192640. Its totient is φ = 7786022400.

The previous prime is 23930471897. The next prime is 23930471933. The reversal of 23930471898 is 89817403932.

23930471898 is a `hidden beast` number, since 2 + 3 + 93 + 0 + 471 + 89 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (23930471897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403786 + ... + 459242.

It is an arithmetic number, because the mean of its divisors is an integer number (851003010).

Almost surely, 2^23930471898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23930471898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27232096320).

23930471898 is an abundant number, since it is smaller than the sum of its proper divisors (30533720742).

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

23930471898 is a wasteful number, since it uses less digits than its factorization.

23930471898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55660 (or 55654 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 23930471898 in words is "twenty-three billion, nine hundred thirty million, four hundred seventy-one thousand, eight hundred ninety-eight".