23239943029 has 4 divisors (see below), whose sum is σ = 23272722220. Its totient is φ = 23207163840.

The previous prime is 23239943021. The next prime is 23239943047. The reversal of 23239943029 is 92034993232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11095462225 + 12144480804 = 105335^2 + 110202^2 .

It is a cyclic number.

It is not a de Polignac number, because 23239943029 - 2³ = 23239943021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23239943029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23239943021) 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 3 ways as a sum of consecutive naturals, for example, 16388532 + ... + 16389949.

It is an arithmetic number, because the mean of its divisors is an integer number (5818180555).

Almost surely, 2^23239943029 is an apocalyptic number.

It is an amenable number.

23239943029 is a deficient number, since it is larger than the sum of its proper divisors (32779191).

23239943029 is an equidigital number, since it uses as much as digits as its factorization.

23239943029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32779190.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 23239943029 in words is "twenty-three billion, two hundred thirty-nine million, nine hundred forty-three thousand, twenty-nine".