223420767 has 8 divisors (see below), whose sum is σ = 305160240. Its totient is φ = 145314240.

The previous prime is 223420663. The next prime is 223420777. The reversal of 223420767 is 767024322.

223420767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 223420767 - 2¹² = 223416671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223420777) 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, 908092 + ... + 908337.

It is an arithmetic number, because the mean of its divisors is an integer number (38145030).

Almost surely, 2^223420767 is an apocalyptic number.

223420767 is a deficient number, since it is larger than the sum of its proper divisors (81739473).

223420767 is a wasteful number, since it uses less digits than its factorization.

223420767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816473.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 223420767 is about 14947.2662048951. The cubic root of 223420767 is about 606.7938625877.

The spelling of 223420767 in words is "two hundred twenty-three million, four hundred twenty thousand, seven hundred sixty-seven".