1915343423 has 12 divisors (see below), whose sum is σ = 2288278608. Its totient is φ = 1570340640.

The previous prime is 1915343363. The next prime is 1915343429. The reversal of 1915343423 is 3243435191.

It is not a de Polignac number, because 1915343423 - 2¹⁴ = 1915327039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1915343429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254918 + ... + 262323.

It is an arithmetic number, because the mean of its divisors is an integer number (190689884).

Almost surely, 2^1915343423 is an apocalyptic number.

1915343423 is a deficient number, since it is larger than the sum of its proper divisors (372935185).

1915343423 is an equidigital number, since it uses as much as digits as its factorization.

1915343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517294 (or 517271 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 1915343423 is about 43764.6366716325. The cubic root of 1915343423 is about 1241.8873926256.

The spelling of 1915343423 in words is "one billion, nine hundred fifteen million, three hundred forty-three thousand, four hundred twenty-three".