212523113 has 16 divisors (see below), whose sum is σ = 244780800. Its totient is φ = 182483280.

The previous prime is 212523097. The next prime is 212523119. The reversal of 212523113 is 311325212.

212523113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212523113 - 2⁴ = 212523097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212523119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77870 + ... + 80552.

It is an arithmetic number, because the mean of its divisors is an integer number (15298800).

Almost surely, 2^212523113 is an apocalyptic number.

It is an amenable number.

212523113 is a deficient number, since it is larger than the sum of its proper divisors (32257687).

212523113 is a wasteful number, since it uses less digits than its factorization.

212523113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its digits is 360, while the sum is 20.

The square root of 212523113 is about 14578.1724849173. The cubic root of 212523113 is about 596.7632304554.

Adding to 212523113 its reverse (311325212), we get a palindrome (523848325).

It can be divided in two parts, 212 and 523113, that added together give a palindrome (523325).

The spelling of 212523113 in words is "two hundred twelve million, five hundred twenty-three thousand, one hundred thirteen".