11953723 has 2 divisors, whose sum is σ = 11953724. Its totient is φ = 11953722.

The previous prime is 11953691. The next prime is 11953741. The reversal of 11953723 is 32735911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11953723 - 2⁵ = 11953691 is a prime.

It is not a weakly prime, because it can be changed into another prime (11983723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5976861 + 5976862.

It is an arithmetic number, because the mean of its divisors is an integer number (5976862).

Almost surely, 2^11953723 is an apocalyptic number.

11953723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11953723 is an equidigital number, since it uses as much as digits as its factorization.

11953723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

The square root of 11953723 is about 3457.4156533457. The cubic root of 11953723 is about 228.6481697118.

The spelling of 11953723 in words is "eleven million, nine hundred fifty-three thousand, seven hundred twenty-three".