23134311043 has 4 divisors (see below), whose sum is σ = 23137181928. Its totient is φ = 23131440160.

The previous prime is 23134310989. The next prime is 23134311077. The reversal of 23134311043 is 34011343132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23134311043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23134310999 and 23134311017.

It is not an unprimeable number, because it can be changed into a prime (23134312043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423321 + ... + 1439482.

It is an arithmetic number, because the mean of its divisors is an integer number (5784295482).

Almost surely, 2^23134311043 is an apocalyptic number.

23134311043 is a deficient number, since it is larger than the sum of its proper divisors (2870885).

23134311043 is an equidigital number, since it uses as much as digits as its factorization.

23134311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870884.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23134311043 its reverse (34011343132), we get a palindrome (57145654175).

The spelling of 23134311043 in words is "twenty-three billion, one hundred thirty-four million, three hundred eleven thousand, forty-three".