212423313 has 8 divisors (see below), whose sum is σ = 299891808. Its totient is φ = 133285184.

The previous prime is 212423303. The next prime is 212423317. The reversal of 212423313 is 313324212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212423313 - 2⁴ = 212423297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212423313.

It is not an unprimeable number, because it can be changed into a prime (212423317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082531 + ... + 2082632.

It is an arithmetic number, because the mean of its divisors is an integer number (37486476).

Almost surely, 2^212423313 is an apocalyptic number.

It is an amenable number.

212423313 is a deficient number, since it is larger than the sum of its proper divisors (87468495).

212423313 is a wasteful number, since it uses less digits than its factorization.

212423313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165183.

The product of its digits is 864, while the sum is 21.

The square root of 212423313 is about 14574.7491573612. The cubic root of 212423313 is about 596.6698032911.

Adding to 212423313 its reverse (313324212), we get a palindrome (525747525).

The spelling of 212423313 in words is "two hundred twelve million, four hundred twenty-three thousand, three hundred thirteen".