123523242 has 48 divisors (see below), whose sum is σ = 260848416. Its totient is φ = 38966400.

The previous prime is 123523229. The next prime is 123523273. The reversal of 123523242 is 242325321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373017 + ... + 373347.

It is an arithmetic number, because the mean of its divisors is an integer number (5434342).

Almost surely, 2^123523242 is an apocalyptic number.

123523242 is an abundant number, since it is smaller than the sum of its proper divisors (137325174).

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

123523242 is a wasteful number, since it uses less digits than its factorization.

123523242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 414 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 123523242 is about 11114.1010432693. The cubic root of 123523242 is about 498.0231840306.

Adding to 123523242 its reverse (242325321), we get a palindrome (365848563).

The spelling of 123523242 in words is "one hundred twenty-three million, five hundred twenty-three thousand, two hundred forty-two".