123342630 has 32 divisors (see below), whose sum is σ = 296508384. Its totient is φ = 32837376.

The previous prime is 123342587. The next prime is 123342649. The reversal of 123342630 is 36243321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123342630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17274 + ... + 23346.

It is an arithmetic number, because the mean of its divisors is an integer number (9265887).

Almost surely, 2^123342630 is an apocalyptic number.

123342630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123342630 is an abundant number, since it is smaller than the sum of its proper divisors (173165754).

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

123342630 is a wasteful number, since it uses less digits than its factorization.

123342630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 123342630 is about 11105.9727174165. The cubic root of 123342630 is about 497.7803340812.

Adding to 123342630 its reverse (36243321), we get a palindrome (159585951).

The spelling of 123342630 in words is "one hundred twenty-three million, three hundred forty-two thousand, six hundred thirty".