1995245023 has 4 divisors (see below), whose sum is σ = 1995460480. Its totient is φ = 1995029568.

The previous prime is 1995245003. The next prime is 1995245039. The reversal of 1995245023 is 3205425991.

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

It is a cyclic number.

It is not a de Polignac number, because 1995245023 - 2⁵ = 1995244991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995245003) 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, 93183 + ... + 112576.

It is an arithmetic number, because the mean of its divisors is an integer number (498865120).

Almost surely, 2^1995245023 is an apocalyptic number.

1995245023 is a deficient number, since it is larger than the sum of its proper divisors (215457).

1995245023 is an equidigital number, since it uses as much as digits as its factorization.

1995245023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215456.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1995245023 is about 44668.1656551956. The cubic root of 1995245023 is about 1258.9217749521.

The spelling of 1995245023 in words is "one billion, nine hundred ninety-five million, two hundred forty-five thousand, twenty-three".