123499858384 has 40 divisors (see below), whose sum is σ = 289550092608. Its totient is φ = 49815068160.

The previous prime is 123499858381. The next prime is 123499858399. The reversal of 123499858384 is 483858994321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123499858381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32429782 + ... + 32433589.

Almost surely, 2^123499858384 is an apocalyptic number.

123499858384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123499858384 is an abundant number, since it is smaller than the sum of its proper divisors (166050234224).

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

123499858384 is a wasteful number, since it uses less digits than its factorization.

123499858384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64863403 (or 64863397 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The spelling of 123499858384 in words is "one hundred twenty-three billion, four hundred ninety-nine million, eight hundred fifty-eight thousand, three hundred eighty-four".