5623421140349 has 4 divisors (see below), whose sum is σ = 5715608372220. Its totient is φ = 5531233908480.

The previous prime is 5623421140307. The next prime is 5623421140397. The reversal of 5623421140349 is 9430411243265.

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

It can be written as a sum of positive squares in 2 ways, for example, as 470602860025 + 5152818280324 = 686005^2 + 2269982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5623421140349 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 (5623421140949) 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, 46093615844 + ... + 46093615965.

It is an arithmetic number, because the mean of its divisors is an integer number (1428902093055).

Almost surely, 2^{5623421140349} is an apocalyptic number.

It is an amenable number.

5623421140349 is a deficient number, since it is larger than the sum of its proper divisors (92187231871).

5623421140349 is an equidigital number, since it uses as much as digits as its factorization.

5623421140349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92187231870.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 5623421140349 in words is "five trillion, six hundred twenty-three billion, four hundred twenty-one million, one hundred forty thousand, three hundred forty-nine".