123420332 has 24 divisors (see below), whose sum is σ = 252863520. Its totient is φ = 51603840.

The previous prime is 123420329. The next prime is 123420347. The reversal of 123420332 is 233024321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52607 + ... + 54902.

It is an arithmetic number, because the mean of its divisors is an integer number (10535980).

Almost surely, 2^123420332 is an apocalyptic number.

It is an amenable number.

123420332 is an abundant number, since it is smaller than the sum of its proper divisors (129443188).

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

123420332 is a wasteful number, since it uses less digits than its factorization.

123420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107561 (or 107559 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123420332 is about 11109.4703744148. The cubic root of 123420332 is about 497.8848408206.

Adding to 123420332 its reverse (233024321), we get a palindrome (356444653).

The spelling of 123420332 in words is "one hundred twenty-three million, four hundred twenty thousand, three hundred thirty-two".