351642122323 has 4 divisors (see below), whose sum is σ = 351643316688. Its totient is φ = 351640927960.

The previous prime is 351642122311. The next prime is 351642122347. The reversal of 351642122323 is 323221246153.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351642122323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351642122303) 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, 192693 + ... + 860473.

It is an arithmetic number, because the mean of its divisors is an integer number (87910829172).

Almost surely, 2^351642122323 is an apocalyptic number.

351642122323 is a deficient number, since it is larger than the sum of its proper divisors (1194365).

351642122323 is an equidigital number, since it uses as much as digits as its factorization.

351642122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194364.

The product of its digits is 51840, while the sum is 34.

Adding to 351642122323 its reverse (323221246153), we get a palindrome (674863368476).

The spelling of 351642122323 in words is "three hundred fifty-one billion, six hundred forty-two million, one hundred twenty-two thousand, three hundred twenty-three".