223400653 has 12 divisors (see below), whose sum is σ = 260148000. Its totient is φ = 191284632.

The previous prime is 223400647. The next prime is 223400669. The reversal of 223400653 is 356004322.

It is a happy number.

223400653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-223400653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223400693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62098 + ... + 65596.

It is an arithmetic number, because the mean of its divisors is an integer number (21679000).

Almost surely, 2^223400653 is an apocalyptic number.

It is an amenable number.

223400653 is a deficient number, since it is larger than the sum of its proper divisors (36747347).

223400653 is a wasteful number, since it uses less digits than its factorization.

223400653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 223400653 is about 14946.5933576852. The cubic root of 223400653 is about 606.7756526749.

Adding to 223400653 its reverse (356004322), we get a palindrome (579404975).

The spelling of 223400653 in words is "two hundred twenty-three million, four hundred thousand, six hundred fifty-three".