345445431323 has 8 divisors (see below), whose sum is σ = 345775647360. Its totient is φ = 345115370880.

The previous prime is 345445431311. The next prime is 345445431361. The reversal of 345445431323 is 323134544543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345445431323 - 2¹⁴ = 345445414939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345445421323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672163 + ... + 4745523.

It is an arithmetic number, because the mean of its divisors is an integer number (43221955920).

Almost surely, 2^345445431323 is an apocalyptic number.

345445431323 is a deficient number, since it is larger than the sum of its proper divisors (330216037).

345445431323 is a wasteful number, since it uses less digits than its factorization.

345445431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77797.

The product of its digits is 1036800, while the sum is 41.

Adding to 345445431323 its reverse (323134544543), we get a palindrome (668579975866).

The spelling of 345445431323 in words is "three hundred forty-five billion, four hundred forty-five million, four hundred thirty-one thousand, three hundred twenty-three".