201023230120001 has 2 divisors, whose sum is σ = 201023230120002. Its totient is φ = 201023230120000.

The previous prime is 201023230119997. The next prime is 201023230120057. The reversal of 201023230120001 is 100021032320102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112516510464400 + 88506719655601 = 10607380^2 + 9407801^2 .

It is a cyclic number.

It is not a de Polignac number, because 201023230120001 - 2² = 201023230119997 is a prime.

It is not a weakly prime, because it can be changed into another prime (201023230120501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511615060000 + 100511615060001.

It is an arithmetic number, because the mean of its divisors is an integer number (100511615060001).

Almost surely, 2^{201023230120001} is an apocalyptic number.

It is an amenable number.

201023230120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201023230120001 is an equidigital number, since it uses as much as digits as its factorization.

201023230120001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201023230120001 its reverse (100021032320102), we get a palindrome (301044262440103).

The spelling of 201023230120001 in words is "two hundred one trillion, twenty-three billion, two hundred thirty million, one hundred twenty thousand, one".