23998503749 has 8 divisors (see below), whose sum is σ = 26203934592. Its totient is φ = 21797031040.

The previous prime is 23998503743. The next prime is 23998503757. The reversal of 23998503749 is 94730589932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23998503749 - 2²⁴ = 23981726533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23998503743) 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 7 ways as a sum of consecutive naturals, for example, 976844 + ... + 1001109.

It is an arithmetic number, because the mean of its divisors is an integer number (3275491824).

Almost surely, 2^23998503749 is an apocalyptic number.

It is an amenable number.

23998503749 is a deficient number, since it is larger than the sum of its proper divisors (2205430843).

23998503749 is a wasteful number, since it uses less digits than its factorization.

23998503749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979067.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 23998503749 in words is "twenty-three billion, nine hundred ninety-eight million, five hundred three thousand, seven hundred forty-nine".