351140345305023 has 12 divisors (see below), whose sum is σ = 489428130950360. Its totient is φ = 223915582512336.

The previous prime is 351140345305003. The next prime is 351140345305033. The reversal of 351140345305023 is 320503543041153.

It is not a de Polignac number, because 351140345305023 - 2²⁹ = 351139808434111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351140345305003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110630226928 + ... + 110630230101.

Almost surely, 2^{351140345305023} is an apocalyptic number.

351140345305023 is a deficient number, since it is larger than the sum of its proper divisors (138287785645337).

351140345305023 is a wasteful number, since it uses less digits than its factorization.

351140345305023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221260457078 (or 221260457055 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 351140345305023 its reverse (320503543041153), we get a palindrome (671643888346176).

The spelling of 351140345305023 in words is "three hundred fifty-one trillion, one hundred forty billion, three hundred forty-five million, three hundred five thousand, twenty-three".