351297223 has 4 divisors (see below), whose sum is σ = 358771680. Its totient is φ = 343822768.

The previous prime is 351297211. The next prime is 351297293. The reversal of 351297223 is 322792153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322792153 = 419 ⋅770387.

It is a cyclic number.

It is not a de Polignac number, because 351297223 - 2¹³ = 351289031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351297293) 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, 3737158 + ... + 3737251.

It is an arithmetic number, because the mean of its divisors is an integer number (89692920).

Almost surely, 2^351297223 is an apocalyptic number.

351297223 is a deficient number, since it is larger than the sum of its proper divisors (7474457).

351297223 is an equidigital number, since it uses as much as digits as its factorization.

351297223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474456.

The product of its digits is 22680, while the sum is 34.

The square root of 351297223 is about 18742.9246117035. The cubic root of 351297223 is about 705.5994586174.

The spelling of 351297223 in words is "three hundred fifty-one million, two hundred ninety-seven thousand, two hundred twenty-three".