23623442 has 4 divisors (see below), whose sum is σ = 35435166. Its totient is φ = 11811720.

The previous prime is 23623417. The next prime is 23623447. The reversal of 23623442 is 24432632.

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

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 11296321 = 3511^2 + 3361^2 .

It is not an unprimeable number, because it can be changed into a prime (23623447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905859 + ... + 5905862.

Almost surely, 2^23623442 is an apocalyptic number.

23623442 is a deficient number, since it is larger than the sum of its proper divisors (11811724).

23623442 is a wasteful number, since it uses less digits than its factorization.

23623442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11811723.

The product of its digits is 6912, while the sum is 26.

The square root of 23623442 is about 4860.3952514173. The cubic root of 23623442 is about 286.9333696650.

The spelling of 23623442 in words is "twenty-three million, six hundred twenty-three thousand, four hundred forty-two".