11423623 has 4 divisors (see below), whose sum is σ = 11466360. Its totient is φ = 11380888.

The previous prime is 11423597. The next prime is 11423647. The reversal of 11423623 is 32632411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32632411 = 7 ⋅4661773.

It is a cyclic number.

It is not a de Polignac number, because 11423623 - 2⁵ = 11423591 is a prime.

It is a super-2 number, since 2×11423623² = 260998324892258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11423594 and 11423603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423683) 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, 20965 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (2866590).

Almost surely, 2^11423623 is an apocalyptic number.

11423623 is a deficient number, since it is larger than the sum of its proper divisors (42737).

11423623 is an equidigital number, since it uses as much as digits as its factorization.

11423623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42736.

The product of its digits is 864, while the sum is 22.

The square root of 11423623 is about 3379.8850572172. The cubic root of 11423623 is about 225.2170613118.

The spelling of 11423623 in words is "eleven million, four hundred twenty-three thousand, six hundred twenty-three".