23003201140121 has 2 divisors, whose sum is σ = 23003201140122. Its totient is φ = 23003201140120.

The previous prime is 23003201140111. The next prime is 23003201140141. The reversal of 23003201140121 is 12104110230032.

It is an a-pointer prime, because the next prime (23003201140141) can be obtained adding 23003201140121 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14214709657600 + 8788491482521 = 3770240^2 + 2964539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23003201140121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23003201140093 and 23003201140102.

It is not a weakly prime, because it can be changed into another prime (23003201140111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501600570060 + 11501600570061.

It is an arithmetic number, because the mean of its divisors is an integer number (11501600570061).

Almost surely, 2^{23003201140121} is an apocalyptic number.

It is an amenable number.

23003201140121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23003201140121 is an equidigital number, since it uses as much as digits as its factorization.

23003201140121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23003201140121 its reverse (12104110230032), we get a palindrome (35107311370153).

The spelling of 23003201140121 in words is "twenty-three trillion, three billion, two hundred one million, one hundred forty thousand, one hundred twenty-one".