123490304 has 104 divisors (see below), whose sum is σ = 290944320. Its totient is φ = 51314688.

The previous prime is 123490303. The next prime is 123490309. The reversal of 123490304 is 403094321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123490303) 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, 1691612 + ... + 1691684.

Almost surely, 2^123490304 is an apocalyptic number.

123490304 is a gapful number since it is divisible by the number (14) 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 123490304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145472160).

123490304 is an abundant number, since it is smaller than the sum of its proper divisors (167454016).

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

123490304 is an frugal number, since it uses more digits than its factorization.

123490304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 123490304 is about 11112.6191332197. The cubic root of 123490304 is about 497.9789134257.

The spelling of 123490304 in words is "one hundred twenty-three million, four hundred ninety thousand, three hundred four".