623120247 has 12 divisors (see below), whose sum is σ = 901043520. Its totient is φ = 414960768.

The previous prime is 623120237. The next prime is 623120263. The reversal of 623120247 is 742021326.

623120247 is a `hidden beast` number, since 623 + 12 + 0 + 24 + 7 = 666.

623120247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623120247 - 2⁴ = 623120231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 623120247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623120237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28903 + ... + 45624.

It is an arithmetic number, because the mean of its divisors is an integer number (75086960).

Almost surely, 2^623120247 is an apocalyptic number.

623120247 is a deficient number, since it is larger than the sum of its proper divisors (277923273).

623120247 is a wasteful number, since it uses less digits than its factorization.

623120247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75462 (or 75459 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 623120247 is about 24962.3766296401. The cubic root of 623120247 is about 854.1299572606.

The spelling of 623120247 in words is "six hundred twenty-three million, one hundred twenty thousand, two hundred forty-seven".