213342373 has 2 divisors, whose sum is σ = 213342374. Its totient is φ = 213342372.

The previous prime is 213342361. The next prime is 213342413. The reversal of 213342373 is 373243312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192016449 + 21325924 = 13857^2 + 4618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213342373 is a prime.

It is a super-2 number, since 2×213342373² = 91029936234542258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213372373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106671186 + 106671187.

It is an arithmetic number, because the mean of its divisors is an integer number (106671187).

Almost surely, 2^213342373 is an apocalyptic number.

It is an amenable number.

213342373 is a deficient number, since it is larger than the sum of its proper divisors (1).

213342373 is an equidigital number, since it uses as much as digits as its factorization.

213342373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 28.

The square root of 213342373 is about 14606.2443153605. The cubic root of 213342373 is about 597.5290724228.

Adding to 213342373 its reverse (373243312), we get a palindrome (586585685).

The spelling of 213342373 in words is "two hundred thirteen million, three hundred forty-two thousand, three hundred seventy-three".