123489465492 has 96 divisors (see below), whose sum is σ = 301627146240. Its totient is φ = 39291315840.

The previous prime is 123489465457. The next prime is 123489465493. The reversal of 123489465492 is 294564984321.

123489465492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123489465493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4211442 + ... + 4240662.

It is an arithmetic number, because the mean of its divisors is an integer number (3141949440).

Almost surely, 2^123489465492 is an apocalyptic number.

123489465492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123489465492 is an abundant number, since it is smaller than the sum of its proper divisors (178137680748).

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

123489465492 is a wasteful number, since it uses less digits than its factorization.

123489465492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29461 (or 29459 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 123489465492 in words is "one hundred twenty-three billion, four hundred eighty-nine million, four hundred sixty-five thousand, four hundred ninety-two".