723061136 has 80 divisors (see below), whose sum is σ = 1702141056. Its totient is φ = 290469888.

The previous prime is 723061111. The next prime is 723061151. The reversal of 723061136 is 631160327.

It is a super-2 number, since 2×723061136² = 1045634812787220992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 723061099 and 723061108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583910 + ... + 585146.

Almost surely, 2^723061136 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 723061136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851070528).

723061136 is an abundant number, since it is smaller than the sum of its proper divisors (979079920).

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

723061136 is a wasteful number, since it uses less digits than its factorization.

723061136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 723061136 is about 26889.7961316184. The cubic root of 723061136 is about 897.5493561516.

The spelling of 723061136 in words is "seven hundred twenty-three million, sixty-one thousand, one hundred thirty-six".