203102023057 has 2 divisors, whose sum is σ = 203102023058. Its totient is φ = 203102023056.

The previous prime is 203102023051. The next prime is 203102023087. The reversal of 203102023057 is 750320201302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146937288976 + 56164734081 = 383324^2 + 236991^2 .

It is a cyclic number.

It is not a de Polignac number, because 203102023057 - 2³ = 203102023049 is a prime.

It is not a weakly prime, because it can be changed into another prime (203102023051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101551011528 + 101551011529.

It is an arithmetic number, because the mean of its divisors is an integer number (101551011529).

Almost surely, 2^203102023057 is an apocalyptic number.

It is an amenable number.

203102023057 is a deficient number, since it is larger than the sum of its proper divisors (1).

203102023057 is an equidigital number, since it uses as much as digits as its factorization.

203102023057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

Adding to 203102023057 its reverse (750320201302), we get a palindrome (953422224359).

The spelling of 203102023057 in words is "two hundred three billion, one hundred two million, twenty-three thousand, fifty-seven".