203344400120023 has 2 divisors, whose sum is σ = 203344400120024. Its totient is φ = 203344400120022.

The previous prime is 203344400119967. The next prime is 203344400120039. The reversal of 203344400120023 is 320021004443302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203344400120023 - 2²⁵ = 203344366565591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203344400119973 and 203344400120000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203344400120623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101672200060011 + 101672200060012.

It is an arithmetic number, because the mean of its divisors is an integer number (101672200060012).

Almost surely, 2^{203344400120023} is an apocalyptic number.

203344400120023 is a deficient number, since it is larger than the sum of its proper divisors (1).

203344400120023 is an equidigital number, since it uses as much as digits as its factorization.

203344400120023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203344400120023 its reverse (320021004443302), we get a palindrome (523365404563325).

The spelling of 203344400120023 in words is "two hundred three trillion, three hundred forty-four billion, four hundred million, one hundred twenty thousand, twenty-three".