345423575443 has 4 divisors (see below), whose sum is σ = 345464554528. Its totient is φ = 345382596360.

The previous prime is 345423575377. The next prime is 345423575489. The reversal of 345423575443 is 344575324543.

It is a happy number.

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 345423575443 - 2²⁹ = 344886704531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345423575543) 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, 20476896 + ... + 20493757.

It is an arithmetic number, because the mean of its divisors is an integer number (86366138632).

Almost surely, 2^345423575443 is an apocalyptic number.

345423575443 is a deficient number, since it is larger than the sum of its proper divisors (40979085).

345423575443 is an equidigital number, since it uses as much as digits as its factorization.

345423575443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40979084.

The product of its digits is 12096000, while the sum is 49.

Adding to 345423575443 its reverse (344575324543), we get a palindrome (689998899986).

The spelling of 345423575443 in words is "three hundred forty-five billion, four hundred twenty-three million, five hundred seventy-five thousand, four hundred forty-three".