23274638 has 4 divisors (see below), whose sum is σ = 34911960. Its totient is φ = 11637318.

The previous prime is 23274637. The next prime is 23274679. The reversal of 23274638 is 83647232.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23274598 and 23274607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23274631) 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 as a sum of consecutive naturals, namely, 5818658 + ... + 5818661.

It is an arithmetic number, because the mean of its divisors is an integer number (8727990).

Almost surely, 2^23274638 is an apocalyptic number.

23274638 is a deficient number, since it is larger than the sum of its proper divisors (11637322).

23274638 is a wasteful number, since it uses less digits than its factorization.

23274638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11637321.

The product of its digits is 48384, while the sum is 35.

The square root of 23274638 is about 4824.3795455996. The cubic root of 23274638 is about 285.5141554932.

The spelling of 23274638 in words is "twenty-three million, two hundred seventy-four thousand, six hundred thirty-eight".