351249161423 has 4 divisors (see below), whose sum is σ = 360742382040. Its totient is φ = 341755940808.

The previous prime is 351249161413. The next prime is 351249161513. The reversal of 351249161423 is 324161942153.

It is a happy number.

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 351249161423 - 2¹⁰ = 351249160399 is a prime.

It is a super-2 number, since 2×351249161423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351249161413) 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 3 ways as a sum of consecutive naturals, for example, 4746610253 + ... + 4746610326.

It is an arithmetic number, because the mean of its divisors is an integer number (90185595510).

Almost surely, 2^351249161423 is an apocalyptic number.

351249161423 is a deficient number, since it is larger than the sum of its proper divisors (9493220617).

351249161423 is an equidigital number, since it uses as much as digits as its factorization.

351249161423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493220616.

The product of its digits is 155520, while the sum is 41.

The spelling of 351249161423 in words is "three hundred fifty-one billion, two hundred forty-nine million, one hundred sixty-one thousand, four hundred twenty-three".