23321220334043 has 4 divisors (see below), whose sum is σ = 23323190209920. Its totient is φ = 23319250458168.

The previous prime is 23321220333997. The next prime is 23321220334057. The reversal of 23321220334043 is 34043302212332.

It is a happy number.

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 23321220334043 - 2¹⁸ = 23321220071899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321220334843) 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, 984920180 + ... + 984943857.

It is an arithmetic number, because the mean of its divisors is an integer number (5830797552480).

Almost surely, 2^{23321220334043} is an apocalyptic number.

23321220334043 is a deficient number, since it is larger than the sum of its proper divisors (1969875877).

23321220334043 is a wasteful number, since it uses less digits than its factorization.

23321220334043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969875876.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 23321220334043 its reverse (34043302212332), we get a palindrome (57364522546375).

The spelling of 23321220334043 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty million, three hundred thirty-four thousand, forty-three".