101123123203 has 2 divisors, whose sum is σ = 101123123204. Its totient is φ = 101123123202.

The previous prime is 101123123201. The next prime is 101123123209. The reversal of 101123123203 is 302321321101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101123123203 - 2¹ = 101123123201 is a prime.

It is a super-3 number, since 3×101123123203³ (a number of 34 digits) contains 333 as substring.

Together with 101123123201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101123123201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561561601 + 50561561602.

It is an arithmetic number, because the mean of its divisors is an integer number (50561561602).

Almost surely, 2^101123123203 is an apocalyptic number.

101123123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123123203 is an equidigital number, since it uses as much as digits as its factorization.

101123123203 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 101123123203 its reverse (302321321101), we get a palindrome (403444444304).

The spelling of 101123123203 in words is "one hundred one billion, one hundred twenty-three million, one hundred twenty-three thousand, two hundred three".