22623423 has 4 divisors (see below), whose sum is σ = 30164568. Its totient is φ = 15082280.

The previous prime is 22623401. The next prime is 22623437. The reversal of 22623423 is 32432622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22623423 - 2²¹ = 20526271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22623393 and 22623402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22623473) 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, 3770568 + ... + 3770573.

It is an arithmetic number, because the mean of its divisors is an integer number (7541142).

Almost surely, 2^22623423 is an apocalyptic number.

22623423 is a deficient number, since it is larger than the sum of its proper divisors (7541145).

22623423 is an equidigital number, since it uses as much as digits as its factorization.

22623423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541144.

The product of its digits is 3456, while the sum is 24.

The square root of 22623423 is about 4756.4086241617. The cubic root of 22623423 is about 282.8260698372.

The spelling of 22623423 in words is "twenty-two million, six hundred twenty-three thousand, four hundred twenty-three".