203345023142 has 4 divisors (see below), whose sum is σ = 305017534716. Its totient is φ = 101672511570.

The previous prime is 203345023117. The next prime is 203345023153. The reversal of 203345023142 is 241320543302.

It is a happy number.

203345023142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50836255784 + ... + 50836255787.

It is an arithmetic number, because the mean of its divisors is an integer number (76254383679).

Almost surely, 2^203345023142 is an apocalyptic number.

203345023142 is a deficient number, since it is larger than the sum of its proper divisors (101672511574).

203345023142 is a wasteful number, since it uses less digits than its factorization.

203345023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101672511573.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 203345023142 its reverse (241320543302), we get a palindrome (444665566444).

The spelling of 203345023142 in words is "two hundred three billion, three hundred forty-five million, twenty-three thousand, one hundred forty-two".