123711994 has 8 divisors (see below), whose sum is σ = 212077728. Its totient is φ = 53019420.

The previous prime is 123711977. The next prime is 123712007. The reversal of 123711994 is 499117321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418272 + ... + 4418299.

It is an arithmetic number, because the mean of its divisors is an integer number (26509716).

Almost surely, 2^123711994 is an apocalyptic number.

123711994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123711994 is a deficient number, since it is larger than the sum of its proper divisors (88365734).

123711994 is an equidigital number, since it uses as much as digits as its factorization.

123711994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836580.

The product of its digits is 13608, while the sum is 37.

The square root of 123711994 is about 11122.5893568000. The cubic root of 123711994 is about 498.2767261445.

It can be divided in two parts, 12371 and 1994, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 123711994 in words is "one hundred twenty-three million, seven hundred eleven thousand, nine hundred ninety-four".