23642254 has 4 divisors (see below), whose sum is σ = 35463384. Its totient is φ = 11821126.

The previous prime is 23642249. The next prime is 23642261. The reversal of 23642254 is 45224632.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910562 + ... + 5910565.

It is an arithmetic number, because the mean of its divisors is an integer number (8865846).

Almost surely, 2^23642254 is an apocalyptic number.

23642254 is a deficient number, since it is larger than the sum of its proper divisors (11821130).

23642254 is a wasteful number, since it uses less digits than its factorization.

23642254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821129.

The product of its digits is 11520, while the sum is 28.

The square root of 23642254 is about 4862.3300998595. The cubic root of 23642254 is about 287.0095137818.

Adding to 23642254 its reverse (45224632), we get a palindrome (68866886).

The spelling of 23642254 in words is "twenty-three million, six hundred forty-two thousand, two hundred fifty-four".