213574423 has 2 divisors, whose sum is σ = 213574424. Its totient is φ = 213574422.

The previous prime is 213574399. The next prime is 213574477. The reversal of 213574423 is 324475312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213574423 - 2¹³ = 213566231 is a prime.

It is a super-2 number, since 2×213574423² = 91228068319565858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213574223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106787211 + 106787212.

It is an arithmetic number, because the mean of its divisors is an integer number (106787212).

Almost surely, 2^213574423 is an apocalyptic number.

213574423 is a deficient number, since it is larger than the sum of its proper divisors (1).

213574423 is an equidigital number, since it uses as much as digits as its factorization.

213574423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 213574423 is about 14614.1856769373. The cubic root of 213574423 is about 597.7456357149.

The spelling of 213574423 in words is "two hundred thirteen million, five hundred seventy-four thousand, four hundred twenty-three".