213248023 has 2 divisors, whose sum is σ = 213248024. Its totient is φ = 213248022.

The previous prime is 213247981. The next prime is 213248029. The reversal of 213248023 is 320842312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213248023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213248029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106624011 + 106624012.

It is an arithmetic number, because the mean of its divisors is an integer number (106624012).

Almost surely, 2^213248023 is an apocalyptic number.

213248023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213248023 is an equidigital number, since it uses as much as digits as its factorization.

213248023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 213248023 is about 14603.0141751626. The cubic root of 213248023 is about 597.4409743107.

The spelling of 213248023 in words is "two hundred thirteen million, two hundred forty-eight thousand, twenty-three".