203112023 has 2 divisors, whose sum is σ = 203112024. Its totient is φ = 203112022.

The previous prime is 203111977. The next prime is 203112029. The reversal of 203112023 is 320211302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203112023 - 2¹⁴ = 203095639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203111989 and 203112007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203112029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101556011 + 101556012.

It is an arithmetic number, because the mean of its divisors is an integer number (101556012).

Almost surely, 2^203112023 is an apocalyptic number.

203112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

203112023 is an equidigital number, since it uses as much as digits as its factorization.

203112023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203112023 is about 14251.7375431910. The cubic root of 203112023 is about 587.8211533989.

Adding to 203112023 its reverse (320211302), we get a palindrome (523323325).

The spelling of 203112023 in words is "two hundred three million, one hundred twelve thousand, twenty-three".