523220107 has 2 divisors, whose sum is σ = 523220108. Its totient is φ = 523220106.

The previous prime is 523220069. The next prime is 523220143. The reversal of 523220107 is 701022325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523220107 - 2¹⁵ = 523187339 is a prime.

It is not a weakly prime, because it can be changed into another prime (523220167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261610053 + 261610054.

It is an arithmetic number, because the mean of its divisors is an integer number (261610054).

Almost surely, 2^523220107 is an apocalyptic number.

523220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

523220107 is an equidigital number, since it uses as much as digits as its factorization.

523220107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 523220107 is about 22874.0050494005. The cubic root of 523220107 is about 805.8016303788.

The spelling of 523220107 in words is "five hundred twenty-three million, two hundred twenty thousand, one hundred seven".