23322001021 has 16 divisors (see below), whose sum is σ = 26954579520. Its totient is φ = 19942951680.

The previous prime is 23322001019. The next prime is 23322001049. The reversal of 23322001021 is 12010022332.

It is a cyclic number.

It is not a de Polignac number, because 23322001021 - 2¹ = 23322001019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23322000986 and 23322001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23322001721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290995 + ... + 362383.

It is an arithmetic number, because the mean of its divisors is an integer number (1684661220).

Almost surely, 2^23322001021 is an apocalyptic number.

It is an amenable number.

23322001021 is a deficient number, since it is larger than the sum of its proper divisors (3632578499).

23322001021 is a wasteful number, since it uses less digits than its factorization.

23322001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73164.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23322001021 its reverse (12010022332), we get a palindrome (35332023353).

The spelling of 23322001021 in words is "twenty-three billion, three hundred twenty-two million, one thousand, twenty-one".