654400223 has 12 divisors (see below), whose sum is σ = 705368160. Its totient is φ = 606751776.

The previous prime is 654400207. The next prime is 654400249. The reversal of 654400223 is 322004456.

It is not a de Polignac number, because 654400223 - 2⁴ = 654400207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654400192 and 654400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654402223) 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, 2318 + ... + 36251.

It is an arithmetic number, because the mean of its divisors is an integer number (58780680).

Almost surely, 2^654400223 is an apocalyptic number.

654400223 is a deficient number, since it is larger than the sum of its proper divisors (50967937).

654400223 is a wasteful number, since it uses less digits than its factorization.

654400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38654 (or 38635 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 654400223 is about 25581.2474871731. The cubic root of 654400223 is about 868.1894009131.

Adding to 654400223 its reverse (322004456), we get a palindrome (976404679).

The spelling of 654400223 in words is "six hundred fifty-four million, four hundred thousand, two hundred twenty-three".