203112201023 has 2 divisors, whose sum is σ = 203112201024. Its totient is φ = 203112201022.

The previous prime is 203112201013. The next prime is 203112201067. The reversal of 203112201023 is 320102211302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203112201023 - 2¹² = 203112196927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203112200992 and 203112201010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203112201013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556100511 + 101556100512.

It is an arithmetic number, because the mean of its divisors is an integer number (101556100512).

Almost surely, 2^203112201023 is an apocalyptic number.

203112201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

203112201023 is an equidigital number, since it uses as much as digits as its factorization.

203112201023 is an evil number, because the sum of its binary digits is even.

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

Adding to 203112201023 its reverse (320102211302), we get a palindrome (523214412325).

The spelling of 203112201023 in words is "two hundred three billion, one hundred twelve million, two hundred one thousand, twenty-three".