122320231 has 16 divisors (see below), whose sum is σ = 139226400. Its totient is φ = 107331840.

The previous prime is 122320229. The next prime is 122320243. The reversal of 122320231 is 132023221.

It is not a de Polignac number, because 122320231 - 2¹ = 122320229 is a prime.

It is a super-2 number, since 2×122320231² = 29924477823786722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122329231) 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, 37015 + ... + 40183.

It is an arithmetic number, because the mean of its divisors is an integer number (8701650).

Almost surely, 2^122320231 is an apocalyptic number.

122320231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122320231 is a deficient number, since it is larger than the sum of its proper divisors (16906169).

122320231 is an equidigital number, since it uses as much as digits as its factorization.

122320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231 (or 3209 counting only the distinct ones).

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

The square root of 122320231 is about 11059.8476933455. The cubic root of 122320231 is about 496.4011331305.

Adding to 122320231 its reverse (132023221), we get a palindrome (254343452).

The spelling of 122320231 in words is "one hundred twenty-two million, three hundred twenty thousand, two hundred thirty-one".