122323220231 has 16 divisors (see below), whose sum is σ = 130315741920. Its totient is φ = 114421386240.

The previous prime is 122323220119. The next prime is 122323220249. The reversal of 122323220231 is 132022323221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122323220231 is a prime.

It is a super-2 number, since 2×122323220231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122323220197 and 122323220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122323220431) 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, 1825340 + ... + 1891166.

It is an arithmetic number, because the mean of its divisors is an integer number (8144733870).

Almost surely, 2^122323220231 is an apocalyptic number.

122323220231 is a deficient number, since it is larger than the sum of its proper divisors (7992521689).

122323220231 is a wasteful number, since it uses less digits than its factorization.

122323220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66514.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122323220231 its reverse (132022323221), we get a palindrome (254345543452).

The spelling of 122323220231 in words is "one hundred twenty-two billion, three hundred twenty-three million, two hundred twenty thousand, two hundred thirty-one".