23498643 has 16 divisors (see below), whose sum is σ = 35916800. Its totient is φ = 13386816.

The previous prime is 23498633. The next prime is 23498647. The reversal of 23498643 is 34689432.

It is not a de Polignac number, because 23498643 - 2¹⁰ = 23497619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23498647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6183 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (2244800).

Almost surely, 2^23498643 is an apocalyptic number.

23498643 is a deficient number, since it is larger than the sum of its proper divisors (12418157).

23498643 is a wasteful number, since it uses less digits than its factorization.

23498643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its digits is 124416, while the sum is 39.

The square root of 23498643 is about 4847.5398915326. The cubic root of 23498643 is about 286.4272023711.

The spelling of 23498643 in words is "twenty-three million, four hundred ninety-eight thousand, six hundred forty-three".