212454323 has 2 divisors, whose sum is σ = 212454324. Its totient is φ = 212454322.

The previous prime is 212454311. The next prime is 212454329. The reversal of 212454323 is 323454212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212454323 is a prime.

It is a super-3 number, since 3×212454323³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 212454292 and 212454301.

It is not a weakly prime, because it can be changed into another prime (212454329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106227161 + 106227162.

It is an arithmetic number, because the mean of its divisors is an integer number (106227162).

Almost surely, 2^212454323 is an apocalyptic number.

212454323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212454323 is an equidigital number, since it uses as much as digits as its factorization.

212454323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 212454323 is about 14575.8129447383. The cubic root of 212454323 is about 596.6988362474.

The spelling of 212454323 in words is "two hundred twelve million, four hundred fifty-four thousand, three hundred twenty-three".