349274185723 has 4 divisors (see below), whose sum is σ = 349327492168. Its totient is φ = 349220879280.

The previous prime is 349274185721. The next prime is 349274185837. The reversal of 349274185723 is 327581472943.

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 349274185723 - 2¹ = 349274185721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349274185721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26643393 + ... + 26656498.

It is an arithmetic number, because the mean of its divisors is an integer number (87331873042).

Almost surely, 2^349274185723 is an apocalyptic number.

349274185723 is a deficient number, since it is larger than the sum of its proper divisors (53306445).

349274185723 is an equidigital number, since it uses as much as digits as its factorization.

349274185723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53306444.

The product of its digits is 10160640, while the sum is 55.

The spelling of 349274185723 in words is "three hundred forty-nine billion, two hundred seventy-four million, one hundred eighty-five thousand, seven hundred twenty-three".