42203223 has 6 divisors (see below), whose sum is σ = 60960224. Its totient is φ = 28135476.

The previous prime is 42203221. The next prime is 42203251. The reversal of 42203223 is 32230224.

It is not a de Polignac number, because 42203223 - 2¹ = 42203221 is a prime.

It is a super-2 number, since 2×42203223² = 3562224063175458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42203196 and 42203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2344615 + ... + 2344632.

Almost surely, 2^42203223 is an apocalyptic number.

42203223 is a deficient number, since it is larger than the sum of its proper divisors (18757001).

42203223 is a wasteful number, since it uses less digits than its factorization.

42203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689253 (or 4689250 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42203223 is about 6496.4007727356. The cubic root of 42203223 is about 348.1624043798.

Adding to 42203223 its reverse (32230224), we get a palindrome (74433447).

The spelling of 42203223 in words is "forty-two million, two hundred three thousand, two hundred twenty-three".