1143423131415 has 16 divisors (see below), whose sum is σ = 1830887586528. Its totient is φ = 609355478016.

The previous prime is 1143423131413. The next prime is 1143423131441. The reversal of 1143423131415 is 5141313243411.

It is a happy number.

It is not a de Polignac number, because 1143423131415 - 2¹ = 1143423131413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143423131413) 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, 29366902 + ... + 29405811.

It is an arithmetic number, because the mean of its divisors is an integer number (114430474158).

Almost surely, 2^{1143423131415} is an apocalyptic number.

1143423131415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143423131415 is a deficient number, since it is larger than the sum of its proper divisors (687464455113).

1143423131415 is a wasteful number, since it uses less digits than its factorization.

1143423131415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58774018.

The product of its digits is 17280, while the sum is 33.

Adding to 1143423131415 its reverse (5141313243411), we get a palindrome (6284736374826).

The spelling of 1143423131415 in words is "one trillion, one hundred forty-three billion, four hundred twenty-three million, one hundred thirty-one thousand, four hundred fifteen".