11423791 has 4 divisors (see below), whose sum is σ = 11496712. Its totient is φ = 11350872.

The previous prime is 11423761. The next prime is 11423821. The reversal of 11423791 is 19732411.

11423791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19732411 = 73 ⋅270307.

It is an interprime number because it is at equal distance from previous prime (11423761) and next prime (11423821).

It is a cyclic number.

It is not a de Polignac number, because 11423791 - 2⁵ = 11423759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36225 + ... + 36538.

It is an arithmetic number, because the mean of its divisors is an integer number (2874178).

Almost surely, 2^11423791 is an apocalyptic number.

11423791 is a deficient number, since it is larger than the sum of its proper divisors (72921).

11423791 is an equidigital number, since it uses as much as digits as its factorization.

11423791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72920.

The product of its digits is 1512, while the sum is 28.

The square root of 11423791 is about 3379.9099100420. The cubic root of 11423791 is about 225.2181653481.

The spelling of 11423791 in words is "eleven million, four hundred twenty-three thousand, seven hundred ninety-one".