203454306044 has 12 divisors (see below), whose sum is σ = 388412766168. Its totient is φ = 92479230000.

The previous prime is 203454305983. The next prime is 203454306059. The reversal of 203454306044 is 440603454302.

It is a super-2 number, since 2×203454306044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203454305995 and 203454306013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311980707 + ... + 2311980794.

It is an arithmetic number, because the mean of its divisors is an integer number (32367730514).

Almost surely, 2^203454306044 is an apocalyptic number.

It is an amenable number.

203454306044 is a deficient number, since it is larger than the sum of its proper divisors (184958460124).

203454306044 is a wasteful number, since it uses less digits than its factorization.

203454306044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623961516 (or 4623961514 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 203454306044 in words is "two hundred three billion, four hundred fifty-four million, three hundred six thousand, forty-four".