23453679 has 4 divisors (see below), whose sum is σ = 31271576. Its totient is φ = 15635784.

The previous prime is 23453669. The next prime is 23453687. The reversal of 23453679 is 97635432.

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

It is not a de Polignac number, because 23453679 - 2¹² = 23449583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908944 + ... + 3908949.

It is an arithmetic number, because the mean of its divisors is an integer number (7817894).

Almost surely, 2^23453679 is an apocalyptic number.

23453679 is a deficient number, since it is larger than the sum of its proper divisors (7817897).

23453679 is an equidigital number, since it uses as much as digits as its factorization.

23453679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817896.

The product of its digits is 136080, while the sum is 39.

The square root of 23453679 is about 4842.8998544261. The cubic root of 23453679 is about 286.2443955603.

The spelling of 23453679 in words is "twenty-three million, four hundred fifty-three thousand, six hundred seventy-nine".