23969904123 has 16 divisors (see below), whose sum is σ = 35342925696. Its totient is φ = 14328210240.

The previous prime is 23969904113. The next prime is 23969904143. The reversal of 23969904123 is 32140996932.

It is not a de Polignac number, because 23969904123 - 2⁶ = 23969904059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23969904113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972665 + ... + 4977482.

It is an arithmetic number, because the mean of its divisors is an integer number (2208932856).

Almost surely, 2^23969904123 is an apocalyptic number.

23969904123 is a deficient number, since it is larger than the sum of its proper divisors (11373021573).

23969904123 is a wasteful number, since it uses less digits than its factorization.

23969904123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950234.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 23969904123 in words is "twenty-three billion, nine hundred sixty-nine million, nine hundred four thousand, one hundred twenty-three".