203442323132 has 6 divisors (see below), whose sum is σ = 356024065488. Its totient is φ = 101721161564.

The previous prime is 203442323087. The next prime is 203442323173. The reversal of 203442323132 is 231323244302.

It is a junction number, because it is equal to n+sod(n) for n = 203442323095 and 203442323104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25430290388 + ... + 25430290395.

It is an arithmetic number, because the mean of its divisors is an integer number (59337344248).

Almost surely, 2^203442323132 is an apocalyptic number.

It is an amenable number.

203442323132 is a deficient number, since it is larger than the sum of its proper divisors (152581742356).

203442323132 is a wasteful number, since it uses less digits than its factorization.

203442323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50860580787 (or 50860580785 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 203442323132 its reverse (231323244302), we get a palindrome (434765567434).

The spelling of 203442323132 in words is "two hundred three billion, four hundred forty-two million, three hundred twenty-three thousand, one hundred thirty-two".