13551450423 has 16 divisors (see below), whose sum is σ = 20683868160. Its totient is φ = 7730921376.

The previous prime is 13551450401. The next prime is 13551450443. The reversal of 13551450423 is 32405415531.

It is not a de Polignac number, because 13551450423 - 2¹³ = 13551442231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551450443) 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, 518808 + ... + 544301.

It is an arithmetic number, because the mean of its divisors is an integer number (1292741760).

Almost surely, 2^13551450423 is an apocalyptic number.

13551450423 is a deficient number, since it is larger than the sum of its proper divisors (7132417737).

13551450423 is a wasteful number, since it uses less digits than its factorization.

13551450423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063726.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 13551450423 its reverse (32405415531), we get a palindrome (45956865954).

The spelling of 13551450423 in words is "thirteen billion, five hundred fifty-one million, four hundred fifty thousand, four hundred twenty-three".