13440522423 has 16 divisors (see below), whose sum is σ = 18948500480. Its totient is φ = 8450676864.

The previous prime is 13440522421. The next prime is 13440522437. The reversal of 13440522423 is 32422504431.

It is not a de Polignac number, because 13440522423 - 2¹ = 13440522421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440522421) 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, 515986 + ... + 541407.

It is an arithmetic number, because the mean of its divisors is an integer number (1184281280).

Almost surely, 2^13440522423 is an apocalyptic number.

13440522423 is a deficient number, since it is larger than the sum of its proper divisors (5507978057).

13440522423 is a wasteful number, since it uses less digits than its factorization.

13440522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057638.

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 13440522423 in words is "thirteen billion, four hundred forty million, five hundred twenty-two thousand, four hundred twenty-three".