346405342043 has 4 divisors (see below), whose sum is σ = 347045648208. Its totient is φ = 345765035880.

The previous prime is 346405342027. The next prime is 346405342051. The reversal of 346405342043 is 340243504643.

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 346405342043 - 2⁴ = 346405342027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346405341988 and 346405342006.

It is not an unprimeable number, because it can be changed into a prime (346405345043) 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, 320152271 + ... + 320153352.

It is an arithmetic number, because the mean of its divisors is an integer number (86761412052).

Almost surely, 2^346405342043 is an apocalyptic number.

346405342043 is a deficient number, since it is larger than the sum of its proper divisors (640306165).

346405342043 is an equidigital number, since it uses as much as digits as its factorization.

346405342043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640306164.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 346405342043 its reverse (340243504643), we get a palindrome (686648846686).

The spelling of 346405342043 in words is "three hundred forty-six billion, four hundred five million, three hundred forty-two thousand, forty-three".