23489643 has 8 divisors (see below), whose sum is σ = 32968000. Its totient is φ = 14835528.

The previous prime is 23489629. The next prime is 23489651. The reversal of 23489643 is 34698432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23489643 - 2⁶ = 23489579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23489443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205993 + ... + 206106.

It is an arithmetic number, because the mean of its divisors is an integer number (4121000).

Almost surely, 2^23489643 is an apocalyptic number.

23489643 is a deficient number, since it is larger than the sum of its proper divisors (9478357).

23489643 is a wasteful number, since it uses less digits than its factorization.

23489643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412121.

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

The square root of 23489643 is about 4846.6114967057. The cubic root of 23489643 is about 286.3906304153.

The spelling of 23489643 in words is "twenty-three million, four hundred eighty-nine thousand, six hundred forty-three".