203142132433 has 2 divisors, whose sum is σ = 203142132434. Its totient is φ = 203142132432.

The previous prime is 203142132409. The next prime is 203142132493. The reversal of 203142132433 is 334231241302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142890048064 + 60252084369 = 378008^2 + 245463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203142132433 is a prime.

It is not a weakly prime, because it can be changed into another prime (203142132493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101571066216 + 101571066217.

It is an arithmetic number, because the mean of its divisors is an integer number (101571066217).

Almost surely, 2^203142132433 is an apocalyptic number.

It is an amenable number.

203142132433 is a deficient number, since it is larger than the sum of its proper divisors (1).

203142132433 is an equidigital number, since it uses as much as digits as its factorization.

203142132433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203142132433 its reverse (334231241302), we get a palindrome (537373373735).

The spelling of 203142132433 in words is "two hundred three billion, one hundred forty-two million, one hundred thirty-two thousand, four hundred thirty-three".