23997678435 has 160 divisors (see below), whose sum is σ = 45303236352. Its totient is φ = 12142690560.

The previous prime is 23997678401. The next prime is 23997678469. The reversal of 23997678435 is 53487679932.

It is an interprime number because it is at equal distance from previous prime (23997678401) and next prime (23997678469).

It is not a de Polignac number, because 23997678435 - 2⁸ = 23997678179 is a prime.

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 152851377 + ... + 152851533.

Almost surely, 2^23997678435 is an apocalyptic number.

23997678435 is a deficient number, since it is larger than the sum of its proper divisors (21305557917).

23997678435 is a wasteful number, since it uses less digits than its factorization.

23997678435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 406 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 23997678435 in words is "twenty-three billion, nine hundred ninety-seven million, six hundred seventy-eight thousand, four hundred thirty-five".