23044340343403 has 4 divisors (see below), whose sum is σ = 23196951869008. Its totient is φ = 22891728817800.

The previous prime is 23044340343389. The next prime is 23044340343443. The reversal of 23044340343403 is 30434304344032.

It is a happy number.

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-23044340343403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23044340343443) 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, 76305762576 + ... + 76305762877.

It is an arithmetic number, because the mean of its divisors is an integer number (5799237967252).

Almost surely, 2^{23044340343403} is an apocalyptic number.

23044340343403 is a deficient number, since it is larger than the sum of its proper divisors (152611525605).

23044340343403 is a wasteful number, since it uses less digits than its factorization.

23044340343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152611525604.

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 23044340343403 its reverse (30434304344032), we get a palindrome (53478644687435).

The spelling of 23044340343403 in words is "twenty-three trillion, forty-four billion, three hundred forty million, three hundred forty-three thousand, four hundred three".