23879973429 has 12 divisors (see below), whose sum is σ = 37146625516. Its totient is φ = 14695368192.

The previous prime is 23879973361. The next prime is 23879973437. The reversal of 23879973429 is 92437997832.

It can be written as a sum of positive squares in 2 ways, for example, as 15489047025 + 8390926404 = 124455^2 + 91602^2 .

It is not a de Polignac number, because 23879973429 - 2¹³ = 23879965237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23879973479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102051052 + ... + 102051285.

Almost surely, 2^23879973429 is an apocalyptic number.

It is an amenable number.

23879973429 is a deficient number, since it is larger than the sum of its proper divisors (13266652087).

23879973429 is a wasteful number, since it uses less digits than its factorization.

23879973429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204102356 (or 204102353 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 23879973429 in words is "twenty-three billion, eight hundred seventy-nine million, nine hundred seventy-three thousand, four hundred twenty-nine".