351142323243253 has 4 divisors (see below), whose sum is σ = 351143291625568. Its totient is φ = 351141354860940.

The previous prime is 351142323243227. The next prime is 351142323243277. The reversal of 351142323243253 is 352342323241153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351142323243253 is a prime.

It is a super-2 number, since 2×351142323243253² (a number of 30 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 (351142323244253) 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, 483647043 + ... + 484372528.

It is an arithmetic number, because the mean of its divisors is an integer number (87785822906392).

Almost surely, 2^{351142323243253} is an apocalyptic number.

It is an amenable number.

351142323243253 is a deficient number, since it is larger than the sum of its proper divisors (968382315).

351142323243253 is an equidigital number, since it uses as much as digits as its factorization.

351142323243253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968382314.

The product of its digits is 1555200, while the sum is 43.

The spelling of 351142323243253 in words is "three hundred fifty-one trillion, one hundred forty-two billion, three hundred twenty-three million, two hundred forty-three thousand, two hundred fifty-three".