623265229 has 2 divisors, whose sum is σ = 623265230. Its totient is φ = 623265228.

The previous prime is 623265191. The next prime is 623265233. The reversal of 623265229 is 922562326.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435849129 + 187416100 = 20877^2 + 13690^2 .

It is a cyclic number.

It is not a de Polignac number, because 623265229 - 2⁹ = 623264717 is a prime.

It is a super-3 number, since 3×623265229³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623265239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311632614 + 311632615.

It is an arithmetic number, because the mean of its divisors is an integer number (311632615).

Almost surely, 2^623265229 is an apocalyptic number.

It is an amenable number.

623265229 is a deficient number, since it is larger than the sum of its proper divisors (1).

623265229 is an equidigital number, since it uses as much as digits as its factorization.

623265229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 623265229 is about 24965.2804710862. The cubic root of 623265229 is about 854.1961958757.

The spelling of 623265229 in words is "six hundred twenty-three million, two hundred sixty-five thousand, two hundred twenty-nine".