1995323153 has 16 divisors (see below), whose sum is σ = 2108113920. Its totient is φ = 1886068800.

The previous prime is 1995323147. The next prime is 1995323189. The reversal of 1995323153 is 3513235991.

It is a cyclic number.

It is not a de Polignac number, because 1995323153 - 2⁸ = 1995322897 is a prime.

It is a super-2 number, since 2×1995323153² = 7962628969795722818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) 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 self number, because there is not a number n which added to its sum of digits gives 1995323153.

It is not an unprimeable number, because it can be changed into a prime (1995320153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235751 + ... + 244067.

It is an arithmetic number, because the mean of its divisors is an integer number (131757120).

Almost surely, 2^1995323153 is an apocalyptic number.

It is an amenable number.

1995323153 is a deficient number, since it is larger than the sum of its proper divisors (112790767).

1995323153 is a wasteful number, since it uses less digits than its factorization.

1995323153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528.

The product of its digits is 109350, while the sum is 41.

The square root of 1995323153 is about 44669.0402068368. The cubic root of 1995323153 is about 1258.9382070650.

The spelling of 1995323153 in words is "one billion, nine hundred ninety-five million, three hundred twenty-three thousand, one hundred fifty-three".