23142234443 has 4 divisors (see below), whose sum is σ = 23143221960. Its totient is φ = 23141246928.

The previous prime is 23142234439. The next prime is 23142234491. The reversal of 23142234443 is 34443224132.

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

It is a cyclic number.

It is not a de Polignac number, because 23142234443 - 2² = 23142234439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142234433) 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, 457730 + ... + 505767.

It is an arithmetic number, because the mean of its divisors is an integer number (5785805490).

Almost surely, 2^23142234443 is an apocalyptic number.

23142234443 is a deficient number, since it is larger than the sum of its proper divisors (987517).

23142234443 is an equidigital number, since it uses as much as digits as its factorization.

23142234443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987516.

The product of its digits is 55296, while the sum is 32.

Adding to 23142234443 its reverse (34443224132), we get a palindrome (57585458575).

The spelling of 23142234443 in words is "twenty-three billion, one hundred forty-two million, two hundred thirty-four thousand, four hundred forty-three".