23120033121001 has 2 divisors, whose sum is σ = 23120033121002. Its totient is φ = 23120033121000.

The previous prime is 23120033120969. The next prime is 23120033121011. The reversal of 23120033121001 is 10012133002132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22950816071401 + 169217049600 = 4790701^2 + 411360^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120033121001 - 2⁵ = 23120033120969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120033121001.

It is not a weakly prime, because it can be changed into another prime (23120033121011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560016560500 + 11560016560501.

It is an arithmetic number, because the mean of its divisors is an integer number (11560016560501).

Almost surely, 2^{23120033121001} is an apocalyptic number.

It is an amenable number.

23120033121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120033121001 is an equidigital number, since it uses as much as digits as its factorization.

23120033121001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23120033121001 its reverse (10012133002132), we get a palindrome (33132166123133).

The spelling of 23120033121001 in words is "twenty-three trillion, one hundred twenty billion, thirty-three million, one hundred twenty-one thousand, one".