23195664 has 60 divisors (see below), whose sum is σ = 65769600. Its totient is φ = 7630272.

The previous prime is 23195647. The next prime is 23195671. The reversal of 23195664 is 46659132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10357 + ... + 12395.

It is an arithmetic number, because the mean of its divisors is an integer number (1096160).

Almost surely, 2^23195664 is an apocalyptic number.

23195664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23195664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32884800).

23195664 is an abundant number, since it is smaller than the sum of its proper divisors (42573936).

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

23195664 is a wasteful number, since it uses less digits than its factorization.

23195664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2123 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 23195664 is about 4816.1877039833. The cubic root of 23195664 is about 285.1908601516.

The spelling of 23195664 in words is "twenty-three million, one hundred ninety-five thousand, six hundred sixty-four".