123013926 has 24 divisors (see below), whose sum is σ = 304606224. Its totient is φ = 35146800.

The previous prime is 123013909. The next prime is 123013949. The reversal of 123013926 is 629310321.

It is a self number, because there is not a number n which added to its sum of digits gives 123013926.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488025 + ... + 488276.

It is an arithmetic number, because the mean of its divisors is an integer number (12691926).

Almost surely, 2^123013926 is an apocalyptic number.

123013926 is an abundant number, since it is smaller than the sum of its proper divisors (181592298).

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

123013926 is a wasteful number, since it uses less digits than its factorization.

123013926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976316 (or 976313 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 123013926 is about 11091.1643212063. The cubic root of 123013926 is about 497.3377513561.

The spelling of 123013926 in words is "one hundred twenty-three million, thirteen thousand, nine hundred twenty-six".