203256453452 has 18 divisors (see below), whose sum is σ = 385164967068. Its totient is φ = 93810670512.

The previous prime is 203256453443. The next prime is 203256453493. The reversal of 203256453452 is 254354652302.

203256453452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 5 ways as a sum of consecutive naturals, for example, 150336938 + ... + 150338289.

It is an arithmetic number, because the mean of its divisors is an integer number (21398053726).

Almost surely, 2^203256453452 is an apocalyptic number.

It is an amenable number.

203256453452 is a deficient number, since it is larger than the sum of its proper divisors (181908513616).

203256453452 is a wasteful number, since it uses less digits than its factorization.

203256453452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300675257 (or 300675242 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 203256453452 in words is "two hundred three billion, two hundred fifty-six million, four hundred fifty-three thousand, four hundred fifty-two".