23431730898 has 16 divisors (see below), whose sum is σ = 46865016576. Its totient is φ = 7810317840.

The previous prime is 23431730891. The next prime is 23431730923. The reversal of 23431730898 is 89803713432.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23431730891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245340 + ... + 327192.

It is an arithmetic number, because the mean of its divisors is an integer number (2929063536).

Almost surely, 2^23431730898 is an apocalyptic number.

23431730898 is an abundant number, since it is smaller than the sum of its proper divisors (23433285678).

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

23431730898 is a wasteful number, since it uses less digits than its factorization.

23431730898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129569.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 23431730898 in words is "twenty-three billion, four hundred thirty-one million, seven hundred thirty thousand, eight hundred ninety-eight".