23122112021 has 8 divisors (see below), whose sum is σ = 23168208384. Its totient is φ = 23076061120.

The previous prime is 23122112017. The next prime is 23122112047. The reversal of 23122112021 is 12021122132.

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 23122112021 - 2² = 23122112017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122118021) 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, 1115276 + ... + 1135818.

It is an arithmetic number, because the mean of its divisors is an integer number (2896026048).

Almost surely, 2^23122112021 is an apocalyptic number.

It is an amenable number.

23122112021 is a deficient number, since it is larger than the sum of its proper divisors (46096363).

23122112021 is a wasteful number, since it uses less digits than its factorization.

23122112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22731.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23122112021 its reverse (12021122132), we get a palindrome (35143234153).

The spelling of 23122112021 in words is "twenty-three billion, one hundred twenty-two million, one hundred twelve thousand, twenty-one".