212367423 has 4 divisors (see below), whose sum is σ = 283156568. Its totient is φ = 141578280.

The previous prime is 212367409. The next prime is 212367431. The reversal of 212367423 is 324763212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212367423 - 2¹⁷ = 212236351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212367403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35394568 + ... + 35394573.

It is an arithmetic number, because the mean of its divisors is an integer number (70789142).

Almost surely, 2^212367423 is an apocalyptic number.

212367423 is a deficient number, since it is larger than the sum of its proper divisors (70789145).

212367423 is an equidigital number, since it uses as much as digits as its factorization.

212367423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70789144.

The product of its digits is 12096, while the sum is 30.

The square root of 212367423 is about 14572.8316740433. The cubic root of 212367423 is about 596.6174694238.

The spelling of 212367423 in words is "two hundred twelve million, three hundred sixty-seven thousand, four hundred twenty-three".