223423011 has 12 divisors (see below), whose sum is σ = 368825392. Its totient is φ = 127670256.

The previous prime is 223423003. The next prime is 223423021. The reversal of 223423011 is 110324322.

223423011 is a `hidden beast` number, since 22 + 342 + 301 + 1 = 666.

It is not a de Polignac number, because 223423011 - 2³ = 223423003 is a prime.

It is a super-2 number, since 2×223423011² = 99835683688612242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223423021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773136 + ... + 1773261.

Almost surely, 2^223423011 is an apocalyptic number.

223423011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223423011 is a deficient number, since it is larger than the sum of its proper divisors (145402381).

223423011 is a wasteful number, since it uses less digits than its factorization.

223423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546410 (or 3546407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 223423011 is about 14947.3412686002. The cubic root of 223423011 is about 606.7958940921.

Adding to 223423011 its reverse (110324322), we get a palindrome (333747333).

The spelling of 223423011 in words is "two hundred twenty-three million, four hundred twenty-three thousand, eleven".