123944012358 has 16 divisors (see below), whose sum is σ = 248999632896. Its totient is φ = 41129402760.

The previous prime is 123944012329. The next prime is 123944012389. The reversal of 123944012358 is 853210449321.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 46315558 + ... + 46318233.

It is an arithmetic number, because the mean of its divisors is an integer number (15562477056).

Almost surely, 2^123944012358 is an apocalyptic number.

123944012358 is an abundant number, since it is smaller than the sum of its proper divisors (125055620538).

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

123944012358 is a wasteful number, since it uses less digits than its factorization.

123944012358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92634019.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 123944012358 in words is "one hundred twenty-three billion, nine hundred forty-four million, twelve thousand, three hundred fifty-eight".