23279641 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 17297280.

The previous prime is 23279629. The next prime is 23279651. The reversal of 23279641 is 14697232.

It is not a de Polignac number, because 23279641 - 2⁵ = 23279609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23279597 and 23279606.

It is not an unprimeable number, because it can be changed into a prime (23279621) 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 31 ways as a sum of consecutive naturals, for example, 261525 + ... + 261613.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^23279641 is an apocalyptic number.

It is an amenable number.

23279641 is a deficient number, since it is larger than the sum of its proper divisors (7133159).

23279641 is a wasteful number, since it uses less digits than its factorization.

23279641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its digits is 18144, while the sum is 34.

The square root of 23279641 is about 4824.8980300106. The cubic root of 23279641 is about 285.5346115934.

The spelling of 23279641 in words is "twenty-three million, two hundred seventy-nine thousand, six hundred forty-one".