123523122 has 32 divisors (see below), whose sum is σ = 270604800. Its totient is φ = 37415168.

The previous prime is 123523091. The next prime is 123523129. The reversal of 123523122 is 221325321.

It is not an unprimeable number, because it can be changed into a prime (123523129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17922 + ... + 23837.

It is an arithmetic number, because the mean of its divisors is an integer number (8456400).

Almost surely, 2^123523122 is an apocalyptic number.

123523122 is an abundant number, since it is smaller than the sum of its proper divisors (147081678).

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

123523122 is a wasteful number, since it uses less digits than its factorization.

123523122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41810.

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

The square root of 123523122 is about 11114.0956447207. The cubic root of 123523122 is about 498.0230227578.

Adding to 123523122 its reverse (221325321), we get a palindrome (344848443).

The spelling of 123523122 in words is "one hundred twenty-three million, five hundred twenty-three thousand, one hundred twenty-two".