23012343021 has 8 divisors (see below), whose sum is σ = 30733675264. Its totient is φ = 15316286400.

The previous prime is 23012342963. The next prime is 23012343023. The reversal of 23012343021 is 12034321032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23012343021 - 2¹⁷ = 23012211949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012343023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316780 + ... + 6320421.

It is an arithmetic number, because the mean of its divisors is an integer number (3841709408).

Almost surely, 2^23012343021 is an apocalyptic number.

It is an amenable number.

23012343021 is a deficient number, since it is larger than the sum of its proper divisors (7721332243).

23012343021 is a wasteful number, since it uses less digits than its factorization.

23012343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637811.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23012343021 its reverse (12034321032), we get a palindrome (35046664053).

The spelling of 23012343021 in words is "twenty-three billion, twelve million, three hundred forty-three thousand, twenty-one".