23195605 has 4 divisors (see below), whose sum is σ = 27834732. Its totient is φ = 18556480.

The previous prime is 23195593. The next prime is 23195611. The reversal of 23195605 is 50659132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 13373649 = 3134^2 + 3657^2 .

It is not a de Polignac number, because 23195605 - 2¹⁵ = 23162837 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319556 + ... + 2319565.

It is an arithmetic number, because the mean of its divisors is an integer number (6958683).

Almost surely, 2^23195605 is an apocalyptic number.

It is an amenable number.

23195605 is a deficient number, since it is larger than the sum of its proper divisors (4639127).

23195605 is an equidigital number, since it uses as much as digits as its factorization.

23195605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639126.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 23195605 is about 4816.1815788029. The cubic root of 23195605 is about 285.1906183496.

The spelling of 23195605 in words is "twenty-three million, one hundred ninety-five thousand, six hundred five".