213477023 has 2 divisors, whose sum is σ = 213477024. Its totient is φ = 213477022.

The previous prime is 213476987. The next prime is 213477073. The reversal of 213477023 is 320774312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213477023 - 2¹⁸ = 213214879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213477073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106738511 + 106738512.

It is an arithmetic number, because the mean of its divisors is an integer number (106738512).

Almost surely, 2^213477023 is an apocalyptic number.

213477023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213477023 is an equidigital number, since it uses as much as digits as its factorization.

213477023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 213477023 is about 14610.8529182933. The cubic root of 213477023 is about 597.6547551734.

The spelling of 213477023 in words is "two hundred thirteen million, four hundred seventy-seven thousand, twenty-three".