123995238 has 16 divisors (see below), whose sum is σ = 250309440. Its totient is φ = 40945256.

The previous prime is 123995227. The next prime is 123995243. The reversal of 123995238 is 832599321.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 123995238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95928 + ... + 97211.

It is an arithmetic number, because the mean of its divisors is an integer number (15644340).

Almost surely, 2^123995238 is an apocalyptic number.

123995238 is an abundant number, since it is smaller than the sum of its proper divisors (126314202).

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

123995238 is a wasteful number, since it uses less digits than its factorization.

123995238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193251.

The product of its digits is 116640, while the sum is 42.

The square root of 123995238 is about 11135.3149034951. The cubic root of 123995238 is about 498.6567117183.

The spelling of 123995238 in words is "one hundred twenty-three million, nine hundred ninety-five thousand, two hundred thirty-eight".