223234421987 has 8 divisors (see below), whose sum is σ = 223501194000. Its totient is φ = 222967767424.

The previous prime is 223234421951. The next prime is 223234422011. The reversal of 223234421987 is 789124432322.

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

It is a cyclic number.

It is not a de Polignac number, because 223234421987 - 2⁸ = 223234421731 is a prime.

It is a super-3 number, since 3×223234421987³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223234423987) 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, 4118639 + ... + 4172487.

It is an arithmetic number, because the mean of its divisors is an integer number (27937649250).

Almost surely, 2^223234421987 is an apocalyptic number.

223234421987 is a deficient number, since it is larger than the sum of its proper divisors (266772013).

223234421987 is a wasteful number, since it uses less digits than its factorization.

223234421987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58725.

The product of its digits is 1161216, while the sum is 47.

The spelling of 223234421987 in words is "two hundred twenty-three billion, two hundred thirty-four million, four hundred twenty-one thousand, nine hundred eighty-seven".