623050397 has 2 divisors, whose sum is σ = 623050398. Its totient is φ = 623050396.

The previous prime is 623050387. The next prime is 623050411. The reversal of 623050397 is 793050326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617969881 + 5080516 = 24859^2 + 2254^2 .

It is a cyclic number.

It is not a de Polignac number, because 623050397 - 2⁶ = 623050333 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 (623050367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311525198 + 311525199.

It is an arithmetic number, because the mean of its divisors is an integer number (311525199).

Almost surely, 2^623050397 is an apocalyptic number.

It is an amenable number.

623050397 is a deficient number, since it is larger than the sum of its proper divisors (1).

623050397 is an equidigital number, since it uses as much as digits as its factorization.

623050397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 623050397 is about 24960.9774848663. The cubic root of 623050397 is about 854.0980408918.

The spelling of 623050397 in words is "six hundred twenty-three million, fifty thousand, three hundred ninety-seven".