213179023 has 2 divisors, whose sum is σ = 213179024. Its totient is φ = 213179022.

The previous prime is 213179011. The next prime is 213179027. The reversal of 213179023 is 320971312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213179023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213178982 and 213179000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213179027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106589511 + 106589512.

It is an arithmetic number, because the mean of its divisors is an integer number (106589512).

Almost surely, 2^213179023 is an apocalyptic number.

213179023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213179023 is an equidigital number, since it uses as much as digits as its factorization.

213179023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 213179023 is about 14600.6514580686. The cubic root of 213179023 is about 597.3765299865.

It can be divided in two parts, 21317 and 9023, that multiplied together give a palindrome (192343291).

The spelling of 213179023 in words is "two hundred thirteen million, one hundred seventy-nine thousand, twenty-three".