10402445523 has 4 divisors (see below), whose sum is σ = 13869927368. Its totient is φ = 6934963680.

The previous prime is 10402445509. The next prime is 10402445533. The reversal of 10402445523 is 32554420401.

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

It is not a de Polignac number, because 10402445523 - 2¹⁰ = 10402444499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10402445533) 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, 1733740918 + ... + 1733740923.

It is an arithmetic number, because the mean of its divisors is an integer number (3467481842).

Almost surely, 2^10402445523 is an apocalyptic number.

10402445523 is a deficient number, since it is larger than the sum of its proper divisors (3467481845).

10402445523 is an equidigital number, since it uses as much as digits as its factorization.

10402445523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467481844.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 10402445523 its reverse (32554420401), we get a palindrome (42956865924).

The spelling of 10402445523 in words is "ten billion, four hundred two million, four hundred forty-five thousand, five hundred twenty-three".