23133303121 has 2 divisors, whose sum is σ = 23133303122. Its totient is φ = 23133303120.

The previous prime is 23133303113. The next prime is 23133303131. The reversal of 23133303121 is 12130333132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13004893521 + 10128409600 = 114039^2 + 100640^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133303121 - 2³ = 23133303113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23133303092 and 23133303101.

It is not a weakly prime, because it can be changed into another prime (23133303131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566651560 + 11566651561.

It is an arithmetic number, because the mean of its divisors is an integer number (11566651561).

Almost surely, 2^23133303121 is an apocalyptic number.

It is an amenable number.

23133303121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133303121 is an equidigital number, since it uses as much as digits as its factorization.

23133303121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23133303121 its reverse (12130333132), we get a palindrome (35263636253).

The spelling of 23133303121 in words is "twenty-three billion, one hundred thirty-three million, three hundred three thousand, one hundred twenty-one".