13423431010545 has 12 divisors (see below), whose sum is σ = 23267280418356. Its totient is φ = 7159163205600.

The previous prime is 13423431010421. The next prime is 13423431010547. The reversal of 13423431010545 is 54501013432431.

13423431010545 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 3 + 4 + 3 + 101 + 0 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3527920732176 + 9895510278369 = 1878276^2 + 3145713^2 .

It is not a de Polignac number, because 13423431010545 - 2¹¹ = 13423431008497 is a prime.

It is a super-2 number, since 2×13423431010545² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13423431010547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149149233406 + ... + 149149233495.

It is an arithmetic number, because the mean of its divisors is an integer number (1938940034863).

Almost surely, 2^{13423431010545} is an apocalyptic number.

13423431010545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13423431010545 is a deficient number, since it is larger than the sum of its proper divisors (9843849407811).

13423431010545 is a wasteful number, since it uses less digits than its factorization.

13423431010545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298298466912 (or 298298466909 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13423431010545 its reverse (54501013432431), we get a palindrome (67924444442976).

The spelling of 13423431010545 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-one million, ten thousand, five hundred forty-five".