212454023 has 2 divisors, whose sum is σ = 212454024. Its totient is φ = 212454022.

The previous prime is 212454019. The next prime is 212454113. The reversal of 212454023 is 320454212.

It is a happy number.

212454023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212454023 - 2² = 212454019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212454023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212454323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106227011 + 106227012.

It is an arithmetic number, because the mean of its divisors is an integer number (106227012).

Almost surely, 2^212454023 is an apocalyptic number.

212454023 is a deficient number, since it is larger than the sum of its proper divisors (1).

212454023 is an equidigital number, since it uses as much as digits as its factorization.

212454023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 212454023 is about 14575.8026537134. The cubic root of 212454023 is about 596.6985553875.

The spelling of 212454023 in words is "two hundred twelve million, four hundred fifty-four thousand, twenty-three".