523211207 has 2 divisors, whose sum is σ = 523211208. Its totient is φ = 523211206.

The previous prime is 523211201. The next prime is 523211219. The reversal of 523211207 is 702112325.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523211207 - 2⁸ = 523210951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523211201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261605603 + 261605604.

It is an arithmetic number, because the mean of its divisors is an integer number (261605604).

Almost surely, 2^523211207 is an apocalyptic number.

523211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

523211207 is an equidigital number, since it uses as much as digits as its factorization.

523211207 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 23.

The square root of 523211207 is about 22873.8105045924. The cubic root of 523211207 is about 805.7970614443.

The spelling of 523211207 in words is "five hundred twenty-three million, two hundred eleven thousand, two hundred seven".