1011231003223 has 8 divisors (see below), whose sum is σ = 1156811356448. Its totient is φ = 865930345344.

The previous prime is 1011231003221. The next prime is 1011231003241. The reversal of 1011231003223 is 3223001321101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011231003223 - 2¹ = 1011231003221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011231003223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011231003221) 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 7 ways as a sum of consecutive naturals, for example, 69916086 + ... + 69930547.

It is an arithmetic number, because the mean of its divisors is an integer number (144601419556).

Almost surely, 2^{1011231003223} is an apocalyptic number.

1011231003223 is a deficient number, since it is larger than the sum of its proper divisors (145580353225).

1011231003223 is a wasteful number, since it uses less digits than its factorization.

1011231003223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139847673.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1011231003223 its reverse (3223001321101), we get a palindrome (4234232324324).

The spelling of 1011231003223 in words is "one trillion, eleven billion, two hundred thirty-one million, three thousand, two hundred twenty-three".