23003303211121 has 4 divisors (see below), whose sum is σ = 23564359387044. Its totient is φ = 22442247035200.

The previous prime is 23003303211101. The next prime is 23003303211143. The reversal of 23003303211121 is 12111230330032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10184325481521 + 12818977729600 = 3191289^2 + 3580360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23003303211121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23003303211092 and 23003303211101.

It is not an unprimeable number, because it can be changed into a prime (23003303211101) 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, 280528087900 + ... + 280528087981.

It is an arithmetic number, because the mean of its divisors is an integer number (5891089846761).

Almost surely, 2^{23003303211121} is an apocalyptic number.

It is an amenable number.

23003303211121 is a deficient number, since it is larger than the sum of its proper divisors (561056175923).

23003303211121 is an equidigital number, since it uses as much as digits as its factorization.

23003303211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561056175922.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23003303211121 its reverse (12111230330032), we get a palindrome (35114533541153).

The spelling of 23003303211121 in words is "twenty-three trillion, three billion, three hundred three million, two hundred eleven thousand, one hundred twenty-one".