523422377 has 2 divisors, whose sum is σ = 523422378. Its totient is φ = 523422376.

The previous prime is 523422371. The next prime is 523422407. The reversal of 523422377 is 773224325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297942121 + 225480256 = 17261^2 + 15016^2 .

It is a cyclic number.

It is not a de Polignac number, because 523422377 - 2⁸ = 523422121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523422371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261711188 + 261711189.

It is an arithmetic number, because the mean of its divisors is an integer number (261711189).

Almost surely, 2^523422377 is an apocalyptic number.

It is an amenable number.

523422377 is a deficient number, since it is larger than the sum of its proper divisors (1).

523422377 is an equidigital number, since it uses as much as digits as its factorization.

523422377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 35.

The square root of 523422377 is about 22878.4260166647. The cubic root of 523422377 is about 805.9054544323.

The spelling of 523422377 in words is "five hundred twenty-three million, four hundred twenty-two thousand, three hundred seventy-seven".