10440523403 has 4 divisors (see below), whose sum is σ = 10465323168. Its totient is φ = 10415723640.

The previous prime is 10440523399. The next prime is 10440523409. The reversal of 10440523403 is 30432504401.

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 10440523403 - 2² = 10440523399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440523409) 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, 12399251 + ... + 12400092.

It is an arithmetic number, because the mean of its divisors is an integer number (2616330792).

Almost surely, 2^10440523403 is an apocalyptic number.

10440523403 is a deficient number, since it is larger than the sum of its proper divisors (24799765).

10440523403 is an equidigital number, since it uses as much as digits as its factorization.

10440523403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24799764.

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 10440523403 in words is "ten billion, four hundred forty million, five hundred twenty-three thousand, four hundred three".