23213951039 has 4 divisors (see below), whose sum is σ = 23222096280. Its totient is φ = 23205805800.

The previous prime is 23213951011. The next prime is 23213951069. The reversal of 23213951039 is 93015931232.

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

It is a cyclic number.

It is not a de Polignac number, because 23213951039 - 2⁸ = 23213950783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23213950993 and 23213951011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213951009) 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, 4068344 + ... + 4074045.

It is an arithmetic number, because the mean of its divisors is an integer number (5805524070).

Almost surely, 2^23213951039 is an apocalyptic number.

23213951039 is a deficient number, since it is larger than the sum of its proper divisors (8145241).

23213951039 is an equidigital number, since it uses as much as digits as its factorization.

23213951039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145240.

The product of its (nonzero) digits is 43740, while the sum is 38.

The spelling of 23213951039 in words is "twenty-three billion, two hundred thirteen million, nine hundred fifty-one thousand, thirty-nine".