122523231 has 16 divisors (see below), whose sum is σ = 176348160. Its totient is φ = 75435360.

The previous prime is 122523223. The next prime is 122523251. The reversal of 122523231 is 132325221.

It is not a de Polignac number, because 122523231 - 2³ = 122523223 is a prime.

It is a super-2 number, since 2×122523231² = 30023884269358722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122523198 and 122523207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122523221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28615 + ... + 32616.

It is an arithmetic number, because the mean of its divisors is an integer number (11021760).

Almost surely, 2^122523231 is an apocalyptic number.

122523231 is a deficient number, since it is larger than the sum of its proper divisors (53824929).

122523231 is a wasteful number, since it uses less digits than its factorization.

122523231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61286.

The product of its digits is 720, while the sum is 21.

The square root of 122523231 is about 11069.0212304431. The cubic root of 122523231 is about 496.6755868754.

Adding to 122523231 its reverse (132325221), we get a palindrome (254848452).

The spelling of 122523231 in words is "one hundred twenty-two million, five hundred twenty-three thousand, two hundred thirty-one".