654003023 has 4 divisors (see below), whose sum is σ = 665087880. Its totient is φ = 642918168.

The previous prime is 654003019. The next prime is 654003029. The reversal of 654003023 is 320300456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654003023 - 2² = 654003019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 654003023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654003029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5542340 + ... + 5542457.

It is an arithmetic number, because the mean of its divisors is an integer number (166271970).

Almost surely, 2^654003023 is an apocalyptic number.

654003023 is a deficient number, since it is larger than the sum of its proper divisors (11084857).

654003023 is a wasteful number, since it uses less digits than its factorization.

654003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084856.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 654003023 is about 25573.4828093477. The cubic root of 654003023 is about 868.0137109651.

Adding to 654003023 its reverse (320300456), we get a palindrome (974303479).

The spelling of 654003023 in words is "six hundred fifty-four million, three thousand, twenty-three".