352116623 has 2 divisors, whose sum is σ = 352116624. Its totient is φ = 352116622.

The previous prime is 352116601. The next prime is 352116629. The reversal of 352116623 is 326611253.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 352116623 - 2⁸ = 352116367 is a prime.

It is a super-2 number, since 2×352116623² = 247972232385848258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352116629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176058311 + 176058312.

It is an arithmetic number, because the mean of its divisors is an integer number (176058312).

Almost surely, 2^352116623 is an apocalyptic number.

352116623 is a deficient number, since it is larger than the sum of its proper divisors (1).

352116623 is an equidigital number, since it uses as much as digits as its factorization.

352116623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 352116623 is about 18764.7707952962. The cubic root of 352116623 is about 706.1476356926.

Adding to 352116623 its reverse (326611253), we get a palindrome (678727876).

The spelling of 352116623 in words is "three hundred fifty-two million, one hundred sixteen thousand, six hundred twenty-three".