351445331240123 has 2 divisors, whose sum is σ = 351445331240124. Its totient is φ = 351445331240122.

The previous prime is 351445331240057. The next prime is 351445331240153. The reversal of 351445331240123 is 321042133544153.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 351445331240123 - 2⁸ = 351445331239867 is a prime.

It is not a weakly prime, because it can be changed into another prime (351445331240153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175722665620061 + 175722665620062.

It is an arithmetic number, because the mean of its divisors is an integer number (175722665620062).

Almost surely, 2^{351445331240123} is an apocalyptic number.

351445331240123 is a deficient number, since it is larger than the sum of its proper divisors (1).

351445331240123 is an equidigital number, since it uses as much as digits as its factorization.

351445331240123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 351445331240123 its reverse (321042133544153), we get a palindrome (672487464784276).

The spelling of 351445331240123 in words is "three hundred fifty-one trillion, four hundred forty-five billion, three hundred thirty-one million, two hundred forty thousand, one hundred twenty-three".