223873870671 has 24 divisors (see below), whose sum is σ = 353009376720. Its totient is φ = 135589430400.

The previous prime is 223873870637. The next prime is 223873870729. The reversal of 223873870671 is 176078378322.

It is a happy number.

It is not a de Polignac number, because 223873870671 - 2⁶ = 223873870607 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223873890671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616836 + ... + 910073.

It is an arithmetic number, because the mean of its divisors is an integer number (14708724030).

Almost surely, 2^223873870671 is an apocalyptic number.

223873870671 is a deficient number, since it is larger than the sum of its proper divisors (129135506049).

223873870671 is a wasteful number, since it uses less digits than its factorization.

223873870671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528407 (or 1528404 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 223873870671 in words is "two hundred twenty-three billion, eight hundred seventy-three million, eight hundred seventy thousand, six hundred seventy-one".