123420232 has 32 divisors (see below), whose sum is σ = 249694200. Its totient is φ = 56853504.

The previous prime is 123420229. The next prime is 123420233. The reversal of 123420232 is 232024321.

It can be written as a sum of positive squares in 4 ways, for example, as 66357316 + 57062916 = 8146^2 + 7554^2 .

It is not an unprimeable number, because it can be changed into a prime (123420233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82144 + ... + 83632.

Almost surely, 2^123420232 is an apocalyptic number.

It is an amenable number.

123420232 is an abundant number, since it is smaller than the sum of its proper divisors (126273968).

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

123420232 is a wasteful number, since it uses less digits than its factorization.

123420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 123420232 is about 11109.4658737493. The cubic root of 123420232 is about 497.8847063520.

Adding to 123420232 its reverse (232024321), we get a palindrome (355444553).

The spelling of 123420232 in words is "one hundred twenty-three million, four hundred twenty thousand, two hundred thirty-two".