203142423467 has 2 divisors, whose sum is σ = 203142423468. Its totient is φ = 203142423466.

The previous prime is 203142423359. The next prime is 203142423469. The reversal of 203142423467 is 764324241302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203142423467 - 2¹² = 203142419371 is a prime.

Together with 203142423469, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203142423467.

It is not a weakly prime, because it can be changed into another prime (203142423469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101571211733 + 101571211734.

It is an arithmetic number, because the mean of its divisors is an integer number (101571211734).

Almost surely, 2^203142423467 is an apocalyptic number.

203142423467 is a deficient number, since it is larger than the sum of its proper divisors (1).

203142423467 is an equidigital number, since it uses as much as digits as its factorization.

203142423467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 38.

Adding to 203142423467 its reverse (764324241302), we get a palindrome (967466664769).

The spelling of 203142423467 in words is "two hundred three billion, one hundred forty-two million, four hundred twenty-three thousand, four hundred sixty-seven".