223140542 has 8 divisors (see below), whose sum is σ = 345508032. Its totient is φ = 107971200.

The previous prime is 223140527. The next prime is 223140551. The reversal of 223140542 is 245041322.

It is a happy number.

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

It is a super-3 number, since 3×223140542³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799459 + ... + 1799582.

It is an arithmetic number, because the mean of its divisors is an integer number (43188504).

Almost surely, 2^223140542 is an apocalyptic number.

223140542 is a deficient number, since it is larger than the sum of its proper divisors (122367490).

223140542 is a wasteful number, since it uses less digits than its factorization.

223140542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599074.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 223140542 is about 14937.8894760940. The cubic root of 223140542 is about 606.5400664996.

Adding to 223140542 its reverse (245041322), we get a palindrome (468181864).

The spelling of 223140542 in words is "two hundred twenty-three million, one hundred forty thousand, five hundred forty-two".