213114623 has 2 divisors, whose sum is σ = 213114624. Its totient is φ = 213114622.

The previous prime is 213114617. The next prime is 213114647. The reversal of 213114623 is 326411312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213114623 - 2⁴ = 213114607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213114673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106557311 + 106557312.

It is an arithmetic number, because the mean of its divisors is an integer number (106557312).

Almost surely, 2^213114623 is an apocalyptic number.

213114623 is a deficient number, since it is larger than the sum of its proper divisors (1).

213114623 is an equidigital number, since it uses as much as digits as its factorization.

213114623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 213114623 is about 14598.4459104385. The cubic root of 213114623 is about 597.3163694032.

Adding to 213114623 its reverse (326411312), we get a palindrome (539525935).

The spelling of 213114623 in words is "two hundred thirteen million, one hundred fourteen thousand, six hundred twenty-three".