1001023211023 has 8 divisors (see below), whose sum is σ = 1121539519440. Its totient is φ = 885425935680.

The previous prime is 1001023211009. The next prime is 1001023211063. The reversal of 1001023211023 is 3201123201001.

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

It is not a de Polignac number, because 1001023211023 - 2¹³ = 1001023202831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001023210988 and 1001023211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001023211063) 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, 1229757838 + ... + 1229758651.

It is an arithmetic number, because the mean of its divisors is an integer number (140192439930).

Almost surely, 2^{1001023211023} is an apocalyptic number.

1001023211023 is a deficient number, since it is larger than the sum of its proper divisors (120516308417).

1001023211023 is a wasteful number, since it uses less digits than its factorization.

1001023211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459516537.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1001023211023 its reverse (3201123201001), we get a palindrome (4202146412024).

The spelling of 1001023211023 in words is "one trillion, one billion, twenty-three million, two hundred eleven thousand, twenty-three".