903213011223 has 16 divisors (see below), whose sum is σ = 1339443635200. Its totient is φ = 601534379160.

The previous prime is 903213011219. The next prime is 903213011231. The reversal of 903213011223 is 322110312309.

903213011223 is a `hidden beast` number, since 9 + 0 + 321 + 301 + 12 + 23 = 666.

It is not a de Polignac number, because 903213011223 - 2² = 903213011219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (903213011213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16851313 + ... + 16904826.

It is an arithmetic number, because the mean of its divisors is an integer number (83715227200).

Almost surely, 2^903213011223 is an apocalyptic number.

903213011223 is a deficient number, since it is larger than the sum of its proper divisors (436230623977).

903213011223 is a wasteful number, since it uses less digits than its factorization.

903213011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33757139 (or 33757133 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 903213011223 in words is "nine hundred three billion, two hundred thirteen million, eleven thousand, two hundred twenty-three".