23422313021 has 8 divisors (see below), whose sum is σ = 23508311040. Its totient is φ = 23336455968.

The previous prime is 23422312961. The next prime is 23422313029. The reversal of 23422313021 is 12031322432.

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

It is a cyclic number.

It is not a de Polignac number, because 23422313021 - 2¹⁸ = 23422050877 is a prime.

It is a super-2 number, since 2×23422313021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422313029) 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, 303620 + ... + 372866.

It is an arithmetic number, because the mean of its divisors is an integer number (2938538880).

Almost surely, 2^23422313021 is an apocalyptic number.

It is an amenable number.

23422313021 is a deficient number, since it is larger than the sum of its proper divisors (85998019).

23422313021 is an equidigital number, since it uses as much as digits as its factorization.

23422313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70483.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23422313021 its reverse (12031322432), we get a palindrome (35453635453).

The spelling of 23422313021 in words is "twenty-three billion, four hundred twenty-two million, three hundred thirteen thousand, twenty-one".