13532440623 has 32 divisors (see below), whose sum is σ = 21657081600. Its totient is φ = 7425271296.

The previous prime is 13532440619. The next prime is 13532440637. The reversal of 13532440623 is 32604423531.

It is a happy number.

It is not a de Polignac number, because 13532440623 - 2² = 13532440619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13532440673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524533 + ... + 549726.

It is an arithmetic number, because the mean of its divisors is an integer number (676783800).

Almost surely, 2^13532440623 is an apocalyptic number.

13532440623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13532440623 is a deficient number, since it is larger than the sum of its proper divisors (8124640977).

13532440623 is a wasteful number, since it uses less digits than its factorization.

13532440623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074311.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 13532440623 in words is "thirteen billion, five hundred thirty-two million, four hundred forty thousand, six hundred twenty-three".