23000018 has 8 divisors (see below), whose sum is σ = 34728960. Its totient is φ = 11423700.

The previous prime is 23000011. The next prime is 23000027. The reversal of 23000018 is 81000032.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22999966 and 23000011.

It is not an unprimeable number, because it can be changed into a prime (23000011) 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, 37778 + ... + 38381.

It is an arithmetic number, because the mean of its divisors is an integer number (4341120).

Almost surely, 2^23000018 is an apocalyptic number.

23000018 is a deficient number, since it is larger than the sum of its proper divisors (11728942).

23000018 is a wasteful number, since it uses less digits than its factorization.

23000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76312.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 23000018 is about 4795.8333999421. The cubic root of 23000018 is about 284.3867721730.

Adding to 23000018 its sum of digits (14), we get a palindrome (23000032).

The spelling of 23000018 in words is "twenty-three million, eighteen", and thus it is an aban number and an uban number.