123310122 has 32 divisors (see below), whose sum is σ = 272775552. Its totient is φ = 36915264.

The previous prime is 123310087. The next prime is 123310127. The reversal of 123310122 is 221013321.

It is not an unprimeable number, because it can be changed into a prime (123310127) 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, 18478 + ... + 24249.

It is an arithmetic number, because the mean of its divisors is an integer number (8524236).

Almost surely, 2^123310122 is an apocalyptic number.

123310122 is an abundant number, since it is smaller than the sum of its proper divisors (149465430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123310122 is a wasteful number, since it uses less digits than its factorization.

123310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42782.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 123310122 is about 11104.5090841514. The cubic root of 123310122 is about 497.7365988241.

Adding to 123310122 its reverse (221013321), we get a palindrome (344323443).

The spelling of 123310122 in words is "one hundred twenty-three million, three hundred ten thousand, one hundred twenty-two".