195144423 has 32 divisors (see below), whose sum is σ = 273549312. Its totient is φ = 123648000.

The previous prime is 195144419. The next prime is 195144427. The reversal of 195144423 is 324441591.

It is an interprime number because it is at equal distance from previous prime (195144419) and next prime (195144427).

It is not a de Polignac number, because 195144423 - 2² = 195144419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195144427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011015 + ... + 1011207.

It is an arithmetic number, because the mean of its divisors is an integer number (8548416).

Almost surely, 2^195144423 is an apocalyptic number.

195144423 is a deficient number, since it is larger than the sum of its proper divisors (78404889).

195144423 is a wasteful number, since it uses less digits than its factorization.

195144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 17280, while the sum is 33.

The square root of 195144423 is about 13969.4102595636. The cubic root of 195144423 is about 580.0321256482.

The spelling of 195144423 in words is "one hundred ninety-five million, one hundred forty-four thousand, four hundred twenty-three".