123351696 has 120 divisors (see below), whose sum is σ = 375350976. Its totient is φ = 37589760.

The previous prime is 123351659. The next prime is 123351707. The reversal of 123351696 is 696153321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 123351696.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244981 + ... + 245483.

Almost surely, 2^123351696 is an apocalyptic number.

123351696 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 123351696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187675488).

123351696 is an abundant number, since it is smaller than the sum of its proper divisors (251999280).

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

123351696 is a wasteful number, since it uses less digits than its factorization.

123351696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 652 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 123351696 is about 11106.3808686718. The cubic root of 123351696 is about 497.7925298266.

The spelling of 123351696 in words is "one hundred twenty-three million, three hundred fifty-one thousand, six hundred ninety-six".