22012023023 has 4 divisors (see below), whose sum is σ = 22013147040. Its totient is φ = 22010899008.

The previous prime is 22012022939. The next prime is 22012023041. The reversal of 22012023023 is 32032021022.

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

It is a cyclic number.

It is not a de Polignac number, because 22012023023 - 2²² = 22007828719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012022992 and 22012023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012023223) 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, 532103 + ... + 571976.

It is an arithmetic number, because the mean of its divisors is an integer number (5503286760).

Almost surely, 2^22012023023 is an apocalyptic number.

22012023023 is a deficient number, since it is larger than the sum of its proper divisors (1124017).

22012023023 is a wasteful number, since it uses less digits than its factorization.

22012023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124016.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22012023023 its reverse (32032021022), we get a palindrome (54044044045).

The spelling of 22012023023 in words is "twenty-two billion, twelve million, twenty-three thousand, twenty-three".