23434311343431 has 24 divisors (see below), whose sum is σ = 32980584564480. Its totient is φ = 14798925774864.

The previous prime is 23434311343427. The next prime is 23434311343439. The reversal of 23434311343431 is 13434311343432.

It is not a de Polignac number, because 23434311343431 - 2² = 23434311343427 is a prime.

It is a super-2 number, since 2×23434311343431² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23434311343431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434311343439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8275266 + ... + 10740048.

It is an arithmetic number, because the mean of its divisors is an integer number (1374191023520).

Almost surely, 2^{23434311343431} is an apocalyptic number.

23434311343431 is a deficient number, since it is larger than the sum of its proper divisors (9546273221049).

23434311343431 is a wasteful number, since it uses less digits than its factorization.

23434311343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473603 (or 2473584 counting only the distinct ones).

The product of its digits is 373248, while the sum is 39.

Adding to 23434311343431 its reverse (13434311343432), we get a palindrome (36868622686863).

Subtracting from 23434311343431 its reverse (13434311343432), we obtain a palindrome (9999999999999).

The spelling of 23434311343431 in words is "twenty-three trillion, four hundred thirty-four billion, three hundred eleven million, three hundred forty-three thousand, four hundred thirty-one".