212523763 has 2 divisors, whose sum is σ = 212523764. Its totient is φ = 212523762.

The previous prime is 212523743. The next prime is 212523767. The reversal of 212523763 is 367325212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212523763 - 2²¹ = 210426611 is a prime.

It is not a weakly prime, because it can be changed into another prime (212523767) 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, 106261881 + 106261882.

It is an arithmetic number, because the mean of its divisors is an integer number (106261882).

Almost surely, 2^212523763 is an apocalyptic number.

212523763 is a deficient number, since it is larger than the sum of its proper divisors (1).

212523763 is an equidigital number, since it uses as much as digits as its factorization.

212523763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 212523763 is about 14578.1947785040. The cubic root of 212523763 is about 596.7638388531.

Adding to 212523763 its reverse (367325212), we get a palindrome (579848975).

The spelling of 212523763 in words is "two hundred twelve million, five hundred twenty-three thousand, seven hundred sixty-three".