123020202222231 has 4 divisors (see below), whose sum is σ = 164026936296312. Its totient is φ = 82013468148152.

The previous prime is 123020202222227. The next prime is 123020202222241. The reversal of 123020202222231 is 132222202020321.

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 123020202222231 - 2² = 123020202222227 is a prime.

It is a super-2 number, since 2×123020202222231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020202222221) 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, 20503367037036 + ... + 20503367037041.

It is an arithmetic number, because the mean of its divisors is an integer number (41006734074078).

Almost surely, 2^{123020202222231} is an apocalyptic number.

123020202222231 is a deficient number, since it is larger than the sum of its proper divisors (41006734074081).

123020202222231 is an equidigital number, since it uses as much as digits as its factorization.

123020202222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41006734074080.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123020202222231 its reverse (132222202020321), we get a palindrome (255242404242552).

The spelling of 123020202222231 in words is "one hundred twenty-three trillion, twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred thirty-one".