623214343 has 2 divisors, whose sum is σ = 623214344. Its totient is φ = 623214342.

The previous prime is 623214337. The next prime is 623214353. The reversal of 623214343 is 343412326.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623214343 - 2⁹ = 623213831 is a prime.

It is a super-2 number, since 2×623214343² = 776792234641843298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623214353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311607171 + 311607172.

It is an arithmetic number, because the mean of its divisors is an integer number (311607172).

Almost surely, 2^623214343 is an apocalyptic number.

623214343 is a deficient number, since it is larger than the sum of its proper divisors (1).

623214343 is an equidigital number, since it uses as much as digits as its factorization.

623214343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 623214343 is about 24964.2613149278. The cubic root of 623214343 is about 854.1729485172.

Adding to 623214343 its reverse (343412326), we get a palindrome (966626669).

The spelling of 623214343 in words is "six hundred twenty-three million, two hundred fourteen thousand, three hundred forty-three".