23440254 has 8 divisors (see below), whose sum is σ = 46880520. Its totient is φ = 7813416.

The previous prime is 23440253. The next prime is 23440267. The reversal of 23440254 is 45204432.

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

23440254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440253) 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, 1953349 + ... + 1953360.

It is an arithmetic number, because the mean of its divisors is an integer number (5860065).

Almost surely, 2^23440254 is an apocalyptic number.

23440254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23440254 is a wasteful number, since it uses less digits than its factorization.

23440254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906714.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 23440254 is about 4841.5136063012. The cubic root of 23440254 is about 286.1897692412.

Adding to 23440254 its reverse (45204432), we get a palindrome (68644686).

The spelling of 23440254 in words is "twenty-three million, four hundred forty thousand, two hundred fifty-four".