23022003331021 has 4 divisors (see below), whose sum is σ = 23033671859772. Its totient is φ = 23010334802272.

The previous prime is 23022003330919. The next prime is 23022003331027. The reversal of 23022003331021 is 12013330022032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6851463300900 + 16170540030121 = 2617530^2 + 4021261^2 .

It is a cyclic number.

It is not a de Polignac number, because 23022003331021 - 2²³ = 23021994942413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23022003330983 and 23022003331001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022003331027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5834261416 + ... + 5834265361.

It is an arithmetic number, because the mean of its divisors is an integer number (5758417964943).

Almost surely, 2^{23022003331021} is an apocalyptic number.

It is an amenable number.

23022003331021 is a deficient number, since it is larger than the sum of its proper divisors (11668528751).

23022003331021 is a wasteful number, since it uses less digits than its factorization.

23022003331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668528750.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23022003331021 its reverse (12013330022032), we get a palindrome (35035333353053).

The spelling of 23022003331021 in words is "twenty-three trillion, twenty-two billion, three million, three hundred thirty-one thousand, twenty-one".