11423723 has 4 divisors (see below), whose sum is σ = 11433048. Its totient is φ = 11414400.

The previous prime is 11423689. The next prime is 11423747. The reversal of 11423723 is 32732411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32732411 = 5413 ⋅6047.

It is a cyclic number.

It is not a de Polignac number, because 11423723 - 2²² = 7229419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423023) 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, 2486 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (2858262).

Almost surely, 2^11423723 is an apocalyptic number.

11423723 is a deficient number, since it is larger than the sum of its proper divisors (9325).

11423723 is an equidigital number, since it uses as much as digits as its factorization.

11423723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324.

The product of its digits is 1008, while the sum is 23.

The square root of 11423723 is about 3379.8998505873. The cubic root of 11423723 is about 225.2177184776.

The spelling of 11423723 in words is "eleven million, four hundred twenty-three thousand, seven hundred twenty-three".