23481966 has 16 divisors (see below), whose sum is σ = 47019600. Its totient is φ = 7818048.

The previous prime is 23481961. The next prime is 23481977. The reversal of 23481966 is 66918432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23481961) 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, 4890 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (2938725).

Almost surely, 2^23481966 is an apocalyptic number.

23481966 is an abundant number, since it is smaller than the sum of its proper divisors (23537634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23481966 is a wasteful number, since it uses less digits than its factorization.

23481966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643.

The product of its digits is 62208, while the sum is 39.

The square root of 23481966 is about 4845.8194353484. The cubic root of 23481966 is about 286.3594271536.

The spelling of 23481966 in words is "twenty-three million, four hundred eighty-one thousand, nine hundred sixty-six".