23459505998 has 16 divisors (see below), whose sum is σ = 38236208640. Its totient is φ = 10753932600.

The previous prime is 23459505991. The next prime is 23459506009. The reversal of 23459505998 is 89950595432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23459505991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9956168 + ... + 9958523.

It is an arithmetic number, because the mean of its divisors is an integer number (2389763040).

Almost surely, 2^23459505998 is an apocalyptic number.

23459505998 is a deficient number, since it is larger than the sum of its proper divisors (14776702642).

23459505998 is a wasteful number, since it uses less digits than its factorization.

23459505998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19914743.

The product of its (nonzero) digits is 17496000, while the sum is 59.

The spelling of 23459505998 in words is "twenty-three billion, four hundred fifty-nine million, five hundred five thousand, nine hundred ninety-eight".