23122321001103 has 4 divisors (see below), whose sum is σ = 30829761334808. Its totient is φ = 15414880667400.

The previous prime is 23122321001069. The next prime is 23122321001141. The reversal of 23122321001103 is 30110012322132.

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

It is a de Polignac number, because none of the positive numbers 2^k-23122321001103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23122321001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122321001903) 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, 3853720166848 + ... + 3853720166853.

It is an arithmetic number, because the mean of its divisors is an integer number (7707440333702).

Almost surely, 2^{23122321001103} is an apocalyptic number.

23122321001103 is a deficient number, since it is larger than the sum of its proper divisors (7707440333705).

23122321001103 is an equidigital number, since it uses as much as digits as its factorization.

23122321001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707440333704.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23122321001103 its reverse (30110012322132), we get a palindrome (53232333323235).

The spelling of 23122321001103 in words is "twenty-three trillion, one hundred twenty-two billion, three hundred twenty-one million, one thousand, one hundred three".