223142812 has 6 divisors (see below), whose sum is σ = 390499928. Its totient is φ = 111571404.

The previous prime is 223142809. The next prime is 223142837. The reversal of 223142812 is 218241322.

It is a super-3 number, since 3×223142812³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27892848 + ... + 27892855.

Almost surely, 2^223142812 is an apocalyptic number.

It is an amenable number.

223142812 is a deficient number, since it is larger than the sum of its proper divisors (167357116).

223142812 is a wasteful number, since it uses less digits than its factorization.

223142812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55785707 (or 55785705 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 223142812 is about 14937.9654571833. The cubic root of 223142812 is about 606.5421232620.

The spelling of 223142812 in words is "two hundred twenty-three million, one hundred forty-two thousand, eight hundred twelve".