211673023 has 2 divisors, whose sum is σ = 211673024. Its totient is φ = 211673022.

The previous prime is 211673009. The next prime is 211673029. The reversal of 211673023 is 320376112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211673023 - 2⁹ = 211672511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211673029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105836511 + 105836512.

It is an arithmetic number, because the mean of its divisors is an integer number (105836512).

Almost surely, 2^211673023 is an apocalyptic number.

211673023 is a deficient number, since it is larger than the sum of its proper divisors (1).

211673023 is an equidigital number, since it uses as much as digits as its factorization.

211673023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 211673023 is about 14548.9870094107. The cubic root of 211673023 is about 595.9664851730.

The spelling of 211673023 in words is "two hundred eleven million, six hundred seventy-three thousand, twenty-three".