213302123 has 2 divisors, whose sum is σ = 213302124. Its totient is φ = 213302122.

The previous prime is 213302119. The next prime is 213302137. The reversal of 213302123 is 321203312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213302123 - 2² = 213302119 is a prime.

It is not a weakly prime, because it can be changed into another prime (213302143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651061 + 106651062.

It is an arithmetic number, because the mean of its divisors is an integer number (106651062).

Almost surely, 2^213302123 is an apocalyptic number.

213302123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302123 is an equidigital number, since it uses as much as digits as its factorization.

213302123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213302123 is about 14604.8664150002. The cubic root of 213302123 is about 597.4914926749.

Adding to 213302123 its reverse (321203312), we get a palindrome (534505435).

The spelling of 213302123 in words is "two hundred thirteen million, three hundred two thousand, one hundred twenty-three".