203123044099 has 2 divisors, whose sum is σ = 203123044100. Its totient is φ = 203123044098.

The previous prime is 203123044043. The next prime is 203123044133. The reversal of 203123044099 is 990440321302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203123044099 - 2¹¹ = 203123042051 is a prime.

It is not a weakly prime, because it can be changed into another prime (203123044499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561522049 + 101561522050.

It is an arithmetic number, because the mean of its divisors is an integer number (101561522050).

Almost surely, 2^203123044099 is an apocalyptic number.

203123044099 is a deficient number, since it is larger than the sum of its proper divisors (1).

203123044099 is an equidigital number, since it uses as much as digits as its factorization.

203123044099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 203123044099 in words is "two hundred three billion, one hundred twenty-three million, forty-four thousand, ninety-nine".