1523315420319 has 96 divisors (see below), whose sum is σ = 2562555985920. Its totient is φ = 787895507520.

The previous prime is 1523315420269. The next prime is 1523315420383. The reversal of 1523315420319 is 9130245133251.

It is not a de Polignac number, because 1523315420319 - 2⁸ = 1523315420063 is a prime.

It is a super-2 number, since 2×1523315420319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523315420399) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1024421194 + ... + 1024422680.

It is an arithmetic number, because the mean of its divisors is an integer number (26693291520).

Almost surely, 2^{1523315420319} is an apocalyptic number.

1523315420319 is a deficient number, since it is larger than the sum of its proper divisors (1039240565601).

1523315420319 is a wasteful number, since it uses less digits than its factorization.

1523315420319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 1523315420319 in words is "one trillion, five hundred twenty-three billion, three hundred fifteen million, four hundred twenty thousand, three hundred nineteen".