28463956423 has 16 divisors (see below), whose sum is σ = 32686990336. Its totient is φ = 24280248960.

The previous prime is 28463956397. The next prime is 28463956427. The reversal of 28463956423 is 32465936482.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28463956423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28463956427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003190 + ... + 3012652.

It is an arithmetic number, because the mean of its divisors is an integer number (2042936896).

Almost surely, 2^28463956423 is an apocalyptic number.

28463956423 is a deficient number, since it is larger than the sum of its proper divisors (4223033913).

28463956423 is a wasteful number, since it uses less digits than its factorization.

28463956423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494.

The product of its digits is 7464960, while the sum is 52.

The spelling of 28463956423 in words is "twenty-eight billion, four hundred sixty-three million, nine hundred fifty-six thousand, four hundred twenty-three".