423745162453 has 4 divisors (see below), whose sum is σ = 423991098688. Its totient is φ = 423499226220.

The previous prime is 423745162429. The next prime is 423745162457. The reversal of 423745162453 is 354261547324.

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 a cyclic number.

It is not a de Polignac number, because 423745162453 - 2²¹ = 423743065301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423745162457) 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, 122965533 + ... + 122968978.

It is an arithmetic number, because the mean of its divisors is an integer number (105997774672).

Almost surely, 2^423745162453 is an apocalyptic number.

It is an amenable number.

423745162453 is a deficient number, since it is larger than the sum of its proper divisors (245936235).

423745162453 is a wasteful number, since it uses less digits than its factorization.

423745162453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245936234.

The product of its digits is 2419200, while the sum is 46.

The spelling of 423745162453 in words is "four hundred twenty-three billion, seven hundred forty-five million, one hundred sixty-two thousand, four hundred fifty-three".