23313122021 has 8 divisors (see below), whose sum is σ = 26644992000. Its totient is φ = 19981608048.

The previous prime is 23313122017. The next prime is 23313122029. The reversal of 23313122021 is 12022131332.

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 23313122021 - 2² = 23313122017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23313121984 and 23313122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313122029) 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, 70355 + ... + 227103.

It is an arithmetic number, because the mean of its divisors is an integer number (3330624000).

Almost surely, 2^23313122021 is an apocalyptic number.

It is an amenable number.

23313122021 is a deficient number, since it is larger than the sum of its proper divisors (3331869979).

23313122021 is a wasteful number, since it uses less digits than its factorization.

23313122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178003.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23313122021 its reverse (12022131332), we get a palindrome (35335253353).

The spelling of 23313122021 in words is "twenty-three billion, three hundred thirteen million, one hundred twenty-two thousand, twenty-one".