23240464 has 20 divisors (see below), whose sum is σ = 48492556. Its totient is φ = 10726272.

The previous prime is 23240453. The next prime is 23240471. The reversal of 23240464 is 46404232.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 14288400 = 2992^2 + 3780^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55659 + ... + 56074.

Almost surely, 2^23240464 is an apocalyptic number.

It is an amenable number.

23240464 is an abundant number, since it is smaller than the sum of its proper divisors (25252092).

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

23240464 is a wasteful number, since it uses less digits than its factorization.

23240464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111754 (or 111748 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 23240464 is about 4820.8364419466. The cubic root of 23240464 is about 285.3743475170.

Adding to 23240464 its reverse (46404232), we get a palindrome (69644696).

The spelling of 23240464 in words is "twenty-three million, two hundred forty thousand, four hundred sixty-four".