11949723 has 12 divisors (see below), whose sum is σ = 17290728. Its totient is φ = 7952640.

The previous prime is 11949713. The next prime is 11949731. The reversal of 11949723 is 32794911.

It is not a de Polignac number, because 11949723 - 2⁶ = 11949659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11949713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9211 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (1440894).

Almost surely, 2^11949723 is an apocalyptic number.

11949723 is a deficient number, since it is larger than the sum of its proper divisors (5341005).

11949723 is a wasteful number, since it uses less digits than its factorization.

11949723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2311 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 11949723 is about 3456.8371381944. The cubic root of 11949723 is about 228.6226631614.

The spelling of 11949723 in words is "eleven million, nine hundred forty-nine thousand, seven hundred twenty-three".