23421623 has 8 divisors (see below), whose sum is σ = 24874800. Its totient is φ = 21990528.

The previous prime is 23421617. The next prime is 23421641. The reversal of 23421623 is 32612432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23421623 - 2¹⁰ = 23420599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (3109350).

Almost surely, 2^23421623 is an apocalyptic number.

23421623 is a deficient number, since it is larger than the sum of its proper divisors (1453177).

23421623 is a wasteful number, since it uses less digits than its factorization.

23421623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041.

The product of its digits is 1728, while the sum is 23.

The square root of 23421623 is about 4839.5891354535. The cubic root of 23421623 is about 286.1139251414.

The spelling of 23421623 in words is "twenty-three million, four hundred twenty-one thousand, six hundred twenty-three".