10456423643 has 4 divisors (see below), whose sum is σ = 10711458408. Its totient is φ = 10201388880.

The previous prime is 10456423609. The next prime is 10456423661. The reversal of 10456423643 is 34632465401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34632465401 = 59 ⋅586990939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10456423643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10456423597 and 10456423606.

It is not an unprimeable number, because it can be changed into a prime (10456423343) 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, 127517321 + ... + 127517402.

It is an arithmetic number, because the mean of its divisors is an integer number (2677864602).

Almost surely, 2^10456423643 is an apocalyptic number.

10456423643 is a deficient number, since it is larger than the sum of its proper divisors (255034765).

10456423643 is an equidigital number, since it uses as much as digits as its factorization.

10456423643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255034764.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 10456423643 in words is "ten billion, four hundred fifty-six million, four hundred twenty-three thousand, six hundred forty-three".