662004123 has 16 divisors (see below), whose sum is σ = 1019558016. Its totient is φ = 377613440.

The previous prime is 662004107. The next prime is 662004127. The reversal of 662004123 is 321400266.

It is a cyclic number.

It is not a de Polignac number, because 662004123 - 2⁴ = 662004107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662004093 and 662004102.

It is not an unprimeable number, because it can be changed into a prime (662004127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589461 + ... + 590582.

It is an arithmetic number, because the mean of its divisors is an integer number (63722376).

Almost surely, 2^662004123 is an apocalyptic number.

662004123 is a deficient number, since it is larger than the sum of its proper divisors (357553893).

662004123 is a wasteful number, since it uses less digits than its factorization.

662004123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180074.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 662004123 is about 25729.4407828853. The cubic root of 662004123 is about 871.5391449112.

Adding to 662004123 its reverse (321400266), we get a palindrome (983404389).

The spelling of 662004123 in words is "six hundred sixty-two million, four thousand, one hundred twenty-three".