123072696 has 112 divisors (see below), whose sum is σ = 354132000. Its totient is φ = 40061952.

The previous prime is 123072689. The next prime is 123072721. The reversal of 123072696 is 696270321.

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 123072696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 273880 + ... + 274328.

Almost surely, 2^123072696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123072696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177066000).

123072696 is an abundant number, since it is smaller than the sum of its proper divisors (231059304).

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

123072696 is an equidigital number, since it uses as much as digits as its factorization.

123072696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 123072696 is about 11093.8134110864. The cubic root of 123072696 is about 497.4169399141.

The spelling of 123072696 in words is "one hundred twenty-three million, seventy-two thousand, six hundred ninety-six".