123497660 has 96 divisors (see below), whose sum is σ = 315403200. Its totient is φ = 39997440.

The previous prime is 123497659. The next prime is 123497711. The reversal of 123497660 is 66794321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82196 + ... + 83684.

It is an arithmetic number, because the mean of its divisors is an integer number (3285450).

Almost surely, 2^123497660 is an apocalyptic number.

123497660 is a gapful number since it is divisible by the number (10) 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 123497660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157701600).

123497660 is an abundant number, since it is smaller than the sum of its proper divisors (191905540).

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

123497660 is a wasteful number, since it uses less digits than its factorization.

123497660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 123497660 is about 11112.9501033704. The cubic root of 123497660 is about 497.9888010041.

The spelling of 123497660 in words is "one hundred twenty-three million, four hundred ninety-seven thousand, six hundred sixty".