723118941 has 8 divisors (see below), whose sum is σ = 1071287360. Its totient is φ = 482079276.

The previous prime is 723118931. The next prime is 723118943. The reversal of 723118941 is 149811327.

It is a happy number.

It is not a de Polignac number, because 723118941 - 2¹¹ = 723116893 is a prime.

It is a super-2 number, since 2×723118941² = 1045802005665922962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 723118896 and 723118905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723118943) 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, 13391065 + ... + 13391118.

It is an arithmetic number, because the mean of its divisors is an integer number (133910920).

Almost surely, 2^723118941 is an apocalyptic number.

It is an amenable number.

723118941 is a deficient number, since it is larger than the sum of its proper divisors (348168419).

723118941 is a wasteful number, since it uses less digits than its factorization.

723118941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26782192 (or 26782186 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 723118941 is about 26890.8709602348. The cubic root of 723118941 is about 897.5732736580.

The spelling of 723118941 in words is "seven hundred twenty-three million, one hundred eighteen thousand, nine hundred forty-one".