223256612542 has 8 divisors (see below), whose sum is σ = 335143122336. Its totient is φ = 111542238432.

The previous prime is 223256612473. The next prime is 223256612569. The reversal of 223256612542 is 245216652322.

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

It is a super-3 number, since 3×223256612542³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223256612495 and 223256612504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43030678 + ... + 43035865.

It is an arithmetic number, because the mean of its divisors is an integer number (41892890292).

Almost surely, 2^223256612542 is an apocalyptic number.

223256612542 is a deficient number, since it is larger than the sum of its proper divisors (111886509794).

223256612542 is a wasteful number, since it uses less digits than its factorization.

223256612542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86067842.

The product of its digits is 345600, while the sum is 40.

The spelling of 223256612542 in words is "two hundred twenty-three billion, two hundred fifty-six million, six hundred twelve thousand, five hundred forty-two".