203123020124 has 6 divisors (see below), whose sum is σ = 355465285224. Its totient is φ = 101561510060.

The previous prime is 203123020091. The next prime is 203123020141. The reversal of 203123020124 is 421020321302.

203123020124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203123020124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203123020096 and 203123020105.

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, 25390377512 + ... + 25390377519.

It is an arithmetic number, because the mean of its divisors is an integer number (59244214204).

Almost surely, 2^203123020124 is an apocalyptic number.

It is an amenable number.

203123020124 is a deficient number, since it is larger than the sum of its proper divisors (152342265100).

203123020124 is a wasteful number, since it uses less digits than its factorization.

203123020124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50780755035 (or 50780755033 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203123020124 its reverse (421020321302), we get a palindrome (624143341426).

The spelling of 203123020124 in words is "two hundred three billion, one hundred twenty-three million, twenty thousand, one hundred twenty-four".