1012003223 has 48 divisors (see below), whose sum is σ = 1321816320. Its totient is φ = 772260720.

The previous prime is 1012003219. The next prime is 1012003241. The reversal of 1012003223 is 3223002101.

It is a happy number.

It is not a de Polignac number, because 1012003223 - 2² = 1012003219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012003198 and 1012003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012003273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3847790 + ... + 3848052.

It is an arithmetic number, because the mean of its divisors is an integer number (27537840).

Almost surely, 2^1012003223 is an apocalyptic number.

1012003223 is a deficient number, since it is larger than the sum of its proper divisors (309813097).

1012003223 is an equidigital number, since it uses as much as digits as its factorization.

1012003223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1012003223 is about 31811.9980982019. The cubic root of 1012003223 is about 1003.9851716433.

Adding to 1012003223 its reverse (3223002101), we get a palindrome (4235005324).

The spelling of 1012003223 in words is "one billion, twelve million, three thousand, two hundred twenty-three".