10203211523 has 2 divisors, whose sum is σ = 10203211524. Its totient is φ = 10203211522.

The previous prime is 10203211507. The next prime is 10203211531. The reversal of 10203211523 is 32511230201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10203211523 - 2⁴ = 10203211507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10203211495 and 10203211504.

It is not a weakly prime, because it can be changed into another prime (10203211573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101605761 + 5101605762.

It is an arithmetic number, because the mean of its divisors is an integer number (5101605762).

Almost surely, 2^10203211523 is an apocalyptic number.

10203211523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203211523 is an equidigital number, since it uses as much as digits as its factorization.

10203211523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 10203211523 its reverse (32511230201), we get a palindrome (42714441724).

The spelling of 10203211523 in words is "ten billion, two hundred three million, two hundred eleven thousand, five hundred twenty-three".