1011233310123 has 8 divisors (see below), whose sum is σ = 1349581877136. Its totient is φ = 673520141600.

The previous prime is 1011233310119. The next prime is 1011233310149. The reversal of 1011233310123 is 3210133321101.

It is a happy number.

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 1011233310123 - 2² = 1011233310119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011233310123.

It is not an unprimeable number, because it can be changed into a prime (1011233310163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158845908 + ... + 158852273.

It is an arithmetic number, because the mean of its divisors is an integer number (168697734642).

Almost surely, 2^{1011233310123} is an apocalyptic number.

1011233310123 is a deficient number, since it is larger than the sum of its proper divisors (338348567013).

1011233310123 is a wasteful number, since it uses less digits than its factorization.

1011233310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317699245.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1011233310123 its reverse (3210133321101), we get a palindrome (4221366631224).

The spelling of 1011233310123 in words is "one trillion, eleven billion, two hundred thirty-three million, three hundred ten thousand, one hundred twenty-three".