123338126 has 4 divisors (see below), whose sum is σ = 185007192. Its totient is φ = 61669062.

The previous prime is 123338123. The next prime is 123338183. The reversal of 123338126 is 621833321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123338123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30834530 + ... + 30834533.

It is an arithmetic number, because the mean of its divisors is an integer number (46251798).

Almost surely, 2^123338126 is an apocalyptic number.

123338126 is a deficient number, since it is larger than the sum of its proper divisors (61669066).

123338126 is an equidigital number, since it uses as much as digits as its factorization.

123338126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61669065.

The product of its digits is 5184, while the sum is 29.

The square root of 123338126 is about 11105.7699417915. The cubic root of 123338126 is about 497.7742749976.

The spelling of 123338126 in words is "one hundred twenty-three million, three hundred thirty-eight thousand, one hundred twenty-six".