203424240451 has 2 divisors, whose sum is σ = 203424240452. Its totient is φ = 203424240450.

The previous prime is 203424240419. The next prime is 203424240469. The reversal of 203424240451 is 154042424302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203424240451 - 2⁵ = 203424240419 is a prime.

It is not a weakly prime, because it can be changed into another prime (203424220451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101712120225 + 101712120226.

It is an arithmetic number, because the mean of its divisors is an integer number (101712120226).

Almost surely, 2^203424240451 is an apocalyptic number.

203424240451 is a deficient number, since it is larger than the sum of its proper divisors (1).

203424240451 is an equidigital number, since it uses as much as digits as its factorization.

203424240451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 203424240451 its reverse (154042424302), we get a palindrome (357466664753).

The spelling of 203424240451 in words is "two hundred three billion, four hundred twenty-four million, two hundred forty thousand, four hundred fifty-one".