623411077 has 2 divisors, whose sum is σ = 623411078. Its totient is φ = 623411076.

The previous prime is 623411059. The next prime is 623411093. The reversal of 623411077 is 770114326.

623411077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354418276 + 268992801 = 18826^2 + 16401^2 .

It is a cyclic number.

It is not a de Polignac number, because 623411077 - 2¹¹ = 623409029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623411017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311705538 + 311705539.

It is an arithmetic number, because the mean of its divisors is an integer number (311705539).

Almost surely, 2^623411077 is an apocalyptic number.

It is an amenable number.

623411077 is a deficient number, since it is larger than the sum of its proper divisors (1).

623411077 is an equidigital number, since it uses as much as digits as its factorization.

623411077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 623411077 is about 24968.2013168750. The cubic root of 623411077 is about 854.2628197807.

The spelling of 623411077 in words is "six hundred twenty-three million, four hundred eleven thousand, seventy-seven".