123213574 has 12 divisors (see below), whose sum is σ = 203150052. Its totient is φ = 56006060.

The previous prime is 123213551. The next prime is 123213593. The reversal of 123213574 is 475312321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254332 + ... + 254815.

It is an arithmetic number, because the mean of its divisors is an integer number (16929171).

Almost surely, 2^123213574 is an apocalyptic number.

123213574 is a deficient number, since it is larger than the sum of its proper divisors (79936478).

123213574 is a wasteful number, since it uses less digits than its factorization.

123213574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509171 (or 509160 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 123213574 is about 11100.1609898235. The cubic root of 123213574 is about 497.6066608006.

Adding to 123213574 its reverse (475312321), we get a palindrome (598525895).

The spelling of 123213574 in words is "one hundred twenty-three million, two hundred thirteen thousand, five hundred seventy-four".