623422413 has 10 divisors (see below), whose sum is σ = 931285454. Its totient is φ = 415614888.

The previous prime is 623422403. The next prime is 623422427. The reversal of 623422413 is 314224326.

623422413 is a `hidden beast` number, since 623 + 4 + 2 + 24 + 13 = 666.

623422413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 542098089 + 81324324 = 23283^2 + 9018^2 .

It is not a de Polignac number, because 623422413 - 2¹⁴ = 623406029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623422403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3848206 + ... + 3848367.

Almost surely, 2^623422413 is an apocalyptic number.

It is an amenable number.

623422413 is a deficient number, since it is larger than the sum of its proper divisors (307863041).

623422413 is an equidigital number, since it uses as much as digits as its factorization.

623422413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696585 (or 7696576 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 623422413 is about 24968.4283245862. The cubic root of 623422413 is about 854.2679976722.

Adding to 623422413 its reverse (314224326), we get a palindrome (937646739).

The spelling of 623422413 in words is "six hundred twenty-three million, four hundred twenty-two thousand, four hundred thirteen".