123113523452 has 24 divisors (see below), whose sum is σ = 215998154400. Its totient is φ = 61399835136.

The previous prime is 123113523433. The next prime is 123113523509. The reversal of 123113523452 is 254325311321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12394424 + ... + 12404352.

It is an arithmetic number, because the mean of its divisors is an integer number (8999923100).

Almost surely, 2^123113523452 is an apocalyptic number.

It is an amenable number.

123113523452 is a deficient number, since it is larger than the sum of its proper divisors (92884630948).

123113523452 is a wasteful number, since it uses less digits than its factorization.

123113523452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17525 (or 17523 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 123113523452 its reverse (254325311321), we get a palindrome (377438834773).

The spelling of 123113523452 in words is "one hundred twenty-three billion, one hundred thirteen million, five hundred twenty-three thousand, four hundred fifty-two".