253415450323423 has 4 divisors (see below), whose sum is σ = 259308832889128. Its totient is φ = 247522067757720.

The previous prime is 253415450323411. The next prime is 253415450323447. The reversal of 253415450323423 is 324323054514352.

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

It is a cyclic number.

It is not a de Polignac number, because 253415450323423 - 2²⁹ = 253414913452511 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 (253415450363423) 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, 2946691282788 + ... + 2946691282873.

It is an arithmetic number, because the mean of its divisors is an integer number (64827208222282).

Almost surely, 2^{253415450323423} is an apocalyptic number.

253415450323423 is a deficient number, since it is larger than the sum of its proper divisors (5893382565705).

253415450323423 is an equidigital number, since it uses as much as digits as its factorization.

253415450323423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893382565704.

The product of its (nonzero) digits is 5184000, while the sum is 46.

The spelling of 253415450323423 in words is "two hundred fifty-three trillion, four hundred fifteen billion, four hundred fifty million, three hundred twenty-three thousand, four hundred twenty-three".