213593323123 has 2 divisors, whose sum is σ = 213593323124. Its totient is φ = 213593323122.

The previous prime is 213593323103. The next prime is 213593323157. The reversal of 213593323123 is 321323395312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213593323123 - 2¹⁷ = 213593192051 is a prime.

It is not a weakly prime, because it can be changed into another prime (213593323103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106796661561 + 106796661562.

It is an arithmetic number, because the mean of its divisors is an integer number (106796661562).

Almost surely, 2^213593323123 is an apocalyptic number.

213593323123 is a deficient number, since it is larger than the sum of its proper divisors (1).

213593323123 is an equidigital number, since it uses as much as digits as its factorization.

213593323123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 37.

It can be divided in two parts, 213593323 and 123, that added together give a triangular number (213593446 = T₂₀₆₆₈).

The spelling of 213593323123 in words is "two hundred thirteen billion, five hundred ninety-three million, three hundred twenty-three thousand, one hundred twenty-three".