453140313523 has 4 divisors (see below), whose sum is σ = 460820657880. Its totient is φ = 445459969168.

The previous prime is 453140313499. The next prime is 453140313581. The reversal of 453140313523 is 325313041354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453140313523 is a prime.

It is a super-2 number, since 2×453140313523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453140313023) 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, 3840172090 + ... + 3840172207.

It is an arithmetic number, because the mean of its divisors is an integer number (115205164470).

Almost surely, 2^453140313523 is an apocalyptic number.

453140313523 is a deficient number, since it is larger than the sum of its proper divisors (7680344357).

453140313523 is an equidigital number, since it uses as much as digits as its factorization.

453140313523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680344356.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 453140313523 its reverse (325313041354), we get a palindrome (778453354877).

The spelling of 453140313523 in words is "four hundred fifty-three billion, one hundred forty million, three hundred thirteen thousand, five hundred twenty-three".