23142818 has 8 divisors (see below), whose sum is σ = 34815312. Its totient is φ = 11537716.

The previous prime is 23142811. The next prime is 23142839. The reversal of 23142818 is 81824132.

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

It is a super-2 number, since 2×23142818² = 1071180049962248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23142811) 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, 15980 + ... + 17367.

It is an arithmetic number, because the mean of its divisors is an integer number (4351914).

Almost surely, 2^23142818 is an apocalyptic number.

23142818 is a deficient number, since it is larger than the sum of its proper divisors (11672494).

23142818 is a wasteful number, since it uses less digits than its factorization.

23142818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33696.

The product of its digits is 3072, while the sum is 29.

The square root of 23142818 is about 4810.6982861119. The cubic root of 23142818 is about 284.9741148133.

The spelling of 23142818 in words is "twenty-three million, one hundred forty-two thousand, eight hundred eighteen".