315453235122453 has 4 divisors (see below), whose sum is σ = 420604313496608. Its totient is φ = 210302156748300.

The previous prime is 315453235122439. The next prime is 315453235122457. The reversal of 315453235122453 is 354221532354513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 315453235122453 - 2¹⁷ = 315453234991381 is a prime.

It is a super-2 number, since 2×315453235122453² (a number of 30 digits) 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 (315453235122457) 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, 52575539187073 + ... + 52575539187078.

It is an arithmetic number, because the mean of its divisors is an integer number (105151078374152).

Almost surely, 2^{315453235122453} is an apocalyptic number.

It is an amenable number.

315453235122453 is a deficient number, since it is larger than the sum of its proper divisors (105151078374155).

315453235122453 is a wasteful number, since it uses less digits than its factorization.

315453235122453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105151078374154.

The product of its digits is 6480000, while the sum is 48.

Adding to 315453235122453 its reverse (354221532354513), we get a palindrome (669674767476966).

The spelling of 315453235122453 in words is "three hundred fifteen trillion, four hundred fifty-three billion, two hundred thirty-five million, one hundred twenty-two thousand, four hundred fifty-three".