1001133001023 has 8 divisors (see below), whose sum is σ = 1335868445568. Its totient is φ = 666909778584.

The previous prime is 1001133001021. The next prime is 1001133001051. The reversal of 1001133001023 is 3201003311001.

1001133001023 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1001133001023 - 2¹ = 1001133001021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001133000993 and 1001133001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001133001021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128050965 + ... + 128058782.

It is an arithmetic number, because the mean of its divisors is an integer number (166983555696).

Almost surely, 2^{1001133001023} is an apocalyptic number.

1001133001023 is a deficient number, since it is larger than the sum of its proper divisors (334735444545).

1001133001023 is a wasteful number, since it uses less digits than its factorization.

1001133001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256111053.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1001133001023 its reverse (3201003311001), we get a palindrome (4202136312024).

The spelling of 1001133001023 in words is "one trillion, one billion, one hundred thirty-three million, one thousand, twenty-three".