23227978 has 8 divisors (see below), whose sum is σ = 34867872. Its totient is φ = 11605356.

The previous prime is 23227969. The next prime is 23227979. The reversal of 23227978 is 87972232.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23227978.

It is not an unprimeable number, because it can be changed into a prime (23227979) 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, 150 + ... + 6817.

It is an arithmetic number, because the mean of its divisors is an integer number (4358484).

Almost surely, 2^23227978 is an apocalyptic number.

23227978 is a deficient number, since it is larger than the sum of its proper divisors (11639894).

23227978 is a wasteful number, since it uses less digits than its factorization.

23227978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636.

The product of its digits is 84672, while the sum is 40.

The square root of 23227978 is about 4819.5412644774. The cubic root of 23227978 is about 285.3232323241.

The spelling of 23227978 in words is "twenty-three million, two hundred twenty-seven thousand, nine hundred seventy-eight".