203424100124 has 24 divisors (see below), whose sum is σ = 417844099680. Its totient is φ = 84825493056.

The previous prime is 203424100109. The next prime is 203424100171. The reversal of 203424100124 is 421001424302.

It is a super-2 number, since 2×203424100124² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203424100124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98176619 + ... + 98178690.

It is an arithmetic number, because the mean of its divisors is an integer number (17410170820).

Almost surely, 2^203424100124 is an apocalyptic number.

It is an amenable number.

203424100124 is an abundant number, since it is smaller than the sum of its proper divisors (214419999556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203424100124 is a wasteful number, since it uses less digits than its factorization.

203424100124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196355357 (or 196355355 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 203424100124 its reverse (421001424302), we get a palindrome (624425524426).

The spelling of 203424100124 in words is "two hundred three billion, four hundred twenty-four million, one hundred thousand, one hundred twenty-four".