23198983 has 4 divisors (see below), whose sum is σ = 23234128. Its totient is φ = 23163840.

The previous prime is 23198953. The next prime is 23199017. The reversal of 23198983 is 38989132.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23198983 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 (23198953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16563 + ... + 17908.

It is an arithmetic number, because the mean of its divisors is an integer number (5808532).

Almost surely, 2^23198983 is an apocalyptic number.

23198983 is a deficient number, since it is larger than the sum of its proper divisors (35145).

23198983 is an equidigital number, since it uses as much as digits as its factorization.

23198983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35144.

The product of its digits is 93312, while the sum is 43.

The square root of 23198983 is about 4816.5322587937. The cubic root of 23198983 is about 285.2044618794.

The spelling of 23198983 in words is "twenty-three million, one hundred ninety-eight thousand, nine hundred eighty-three".