213773023 has 2 divisors, whose sum is σ = 213773024. Its totient is φ = 213773022.

The previous prime is 213772997. The next prime is 213773041. The reversal of 213773023 is 320377312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213773023 - 2¹⁷ = 213641951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213772982 and 213773000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213773083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106886511 + 106886512.

It is an arithmetic number, because the mean of its divisors is an integer number (106886512).

Almost surely, 2^213773023 is an apocalyptic number.

213773023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213773023 is an equidigital number, since it uses as much as digits as its factorization.

213773023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 213773023 is about 14620.9788659994. The cubic root of 213773023 is about 597.9308568730.

The spelling of 213773023 in words is "two hundred thirteen million, seven hundred seventy-three thousand, twenty-three".