123489696 has 72 divisors (see below), whose sum is σ = 356342112. Its totient is φ = 37417600.

The previous prime is 123489673. The next prime is 123489701. The reversal of 123489696 is 696984321.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 6301 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (4949196).

Almost surely, 2^123489696 is an apocalyptic number.

123489696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123489696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178171056).

123489696 is an abundant number, since it is smaller than the sum of its proper divisors (232852416).

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

123489696 is a wasteful number, since it uses less digits than its factorization.

123489696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666 (or 10647 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 123489696 is about 11112.5917768989. The cubic root of 123489696 is about 497.9780961641.

The spelling of 123489696 in words is "one hundred twenty-three million, four hundred eighty-nine thousand, six hundred ninety-six".