23254278 has 48 divisors (see below), whose sum is σ = 49808880. Its totient is φ = 7231680.

The previous prime is 23254277. The next prime is 23254289. The reversal of 23254278 is 87245232.

It is a super-2 number, since 2×23254278² = 1081522890602568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213288 + ... + 213396.

It is an arithmetic number, because the mean of its divisors is an integer number (1037685).

Almost surely, 2^23254278 is an apocalyptic number.

23254278 is an abundant number, since it is smaller than the sum of its proper divisors (26554602).

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

23254278 is a wasteful number, since it uses less digits than its factorization.

23254278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 182 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 23254278 is about 4822.2689680274. The cubic root of 23254278 is about 285.4308779493.

It can be divided in two parts, 23254 and 278, that added together give a palindrome (23532).

The spelling of 23254278 in words is "twenty-three million, two hundred fifty-four thousand, two hundred seventy-eight".