1995503423 has 8 divisors (see below), whose sum is σ = 2031036480. Its totient is φ = 1960227360.

The previous prime is 1995503383. The next prime is 1995503459. The reversal of 1995503423 is 3243055991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995503423 - 2¹² = 1995499327 is a prime.

It is a super-2 number, since 2×1995503423² = 7964067822409433858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995503473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48548 + ... + 79673.

It is an arithmetic number, because the mean of its divisors is an integer number (253879560).

Almost surely, 2^1995503423 is an apocalyptic number.

1995503423 is a deficient number, since it is larger than the sum of its proper divisors (35533057).

1995503423 is a wasteful number, since it uses less digits than its factorization.

1995503423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128497.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 1995503423 is about 44671.0580017980. The cubic root of 1995503423 is about 1258.9761193794.

The spelling of 1995503423 in words is "one billion, nine hundred ninety-five million, five hundred three thousand, four hundred twenty-three".