23243203998 has 72 divisors (see below), whose sum is σ = 62028422352. Its totient is φ = 6250269312.

The previous prime is 23243203987. The next prime is 23243203999. The reversal of 23243203998 is 89930234232.

23243203998 is a `hidden beast` number, since 232 + 4 + 3 + 20 + 399 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243203999) 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 35 ways as a sum of consecutive naturals, for example, 760090 + ... + 790077.

It is an arithmetic number, because the mean of its divisors is an integer number (861505866).

Almost surely, 2^23243203998 is an apocalyptic number.

23243203998 is an abundant number, since it is smaller than the sum of its proper divisors (38785218354).

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

23243203998 is a wasteful number, since it uses less digits than its factorization.

23243203998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550206 (or 1550196 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 23243203998 in words is "twenty-three billion, two hundred forty-three million, two hundred three thousand, nine hundred ninety-eight".