654223043 has 8 divisors (see below), whose sum is σ = 668506608. Its totient is φ = 640011424.

The previous prime is 654222979. The next prime is 654223051. The reversal of 654223043 is 340322456.

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 654223043 - 2⁶ = 654222979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 654222997 and 654223015.

It is not an unprimeable number, because it can be changed into a prime (654223343) 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, 605 + ... + 36177.

It is an arithmetic number, because the mean of its divisors is an integer number (83563326).

Almost surely, 2^654223043 is an apocalyptic number.

654223043 is a deficient number, since it is larger than the sum of its proper divisors (14283565).

654223043 is a wasteful number, since it uses less digits than its factorization.

654223043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35973.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 654223043 is about 25577.7841690792. The cubic root of 654223043 is about 868.1110392431. Note that the first 3 decimals are identical.

Adding to 654223043 its reverse (340322456), we get a palindrome (994545499).

The spelling of 654223043 in words is "six hundred fifty-four million, two hundred twenty-three thousand, forty-three".