223242423 has 8 divisors (see below), whose sum is σ = 305701488. Its totient is φ = 144805824.

The previous prime is 223242403. The next prime is 223242443. The reversal of 223242423 is 324242322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223242403) and next prime (223242443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223242423 - 2⁵ = 223242391 is a prime.

It is a super-3 number, since 3×223242423³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223242393 and 223242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223242403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005486 + ... + 1005707.

It is an arithmetic number, because the mean of its divisors is an integer number (38212686).

Almost surely, 2^223242423 is an apocalyptic number.

223242423 is a deficient number, since it is larger than the sum of its proper divisors (82459065).

223242423 is a wasteful number, since it uses less digits than its factorization.

223242423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011233.

The product of its digits is 4608, while the sum is 24.

The square root of 223242423 is about 14941.2992406952. The cubic root of 223242423 is about 606.6323633477.

Adding to 223242423 its reverse (324242322), we get a palindrome (547484745).

The spelling of 223242423 in words is "two hundred twenty-three million, two hundred forty-two thousand, four hundred twenty-three".