15231242504343 has 24 divisors (see below), whose sum is σ = 20486590384000. Its totient is φ = 10065549057696.

The previous prime is 15231242504341. The next prime is 15231242504369. The reversal of 15231242504343 is 34340524213251.

It is a happy number.

15231242504343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15231242504343 - 2¹ = 15231242504341 is a prime.

It is a super-2 number, since 2×15231242504343² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15231242504341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43023228 + ... + 43375806.

Almost surely, 2^{15231242504343} is an apocalyptic number.

15231242504343 is a deficient number, since it is larger than the sum of its proper divisors (5255347879657).

15231242504343 is an equidigital number, since it uses as much as digits as its factorization.

15231242504343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353319 (or 353050 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 15231242504343 its reverse (34340524213251), we get a palindrome (49571766717594).

The spelling of 15231242504343 in words is "fifteen trillion, two hundred thirty-one billion, two hundred forty-two million, five hundred four thousand, three hundred forty-three".