460640023 has 4 divisors (see below), whose sum is σ = 463954120. Its totient is φ = 457325928.

The previous prime is 460640017. The next prime is 460640039. The reversal of 460640023 is 320046064.

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 460640023 - 2⁹ = 460639511 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 460640023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460640053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656840 + ... + 1657117.

It is an arithmetic number, because the mean of its divisors is an integer number (115988530).

Almost surely, 2^460640023 is an apocalyptic number.

460640023 is a deficient number, since it is larger than the sum of its proper divisors (3314097).

460640023 is a wasteful number, since it uses less digits than its factorization.

460640023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314096.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 460640023 is about 21462.5260162917. The cubic root of 460640023 is about 772.3021130242.

Adding to 460640023 its reverse (320046064), we get a palindrome (780686087).

The spelling of 460640023 in words is "four hundred sixty million, six hundred forty thousand, twenty-three".