212201923 has 2 divisors, whose sum is σ = 212201924. Its totient is φ = 212201922.

The previous prime is 212201917. The next prime is 212201929. The reversal of 212201923 is 329102212.

It is a balanced prime because it is at equal distance from previous prime (212201917) and next prime (212201929).

It is a cyclic number.

It is not a de Polignac number, because 212201923 - 2⁹ = 212201411 is a prime.

It is a super-2 number, since 2×212201923² = 90059312249795858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212201894 and 212201903.

It is not a weakly prime, because it can be changed into another prime (212201929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100961 + 106100962.

It is an arithmetic number, because the mean of its divisors is an integer number (106100962).

Almost surely, 2^212201923 is an apocalyptic number.

212201923 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201923 is an equidigital number, since it uses as much as digits as its factorization.

212201923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 212201923 is about 14567.1521925186. The cubic root of 212201923 is about 596.4624458792.

The spelling of 212201923 in words is "two hundred twelve million, two hundred one thousand, nine hundred twenty-three".