22001311023 has 8 divisors (see below), whose sum is σ = 29521929648. Its totient is φ = 14574116544.

The previous prime is 22001310977. The next prime is 22001311061. The reversal of 22001311023 is 32011310022.

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

It is not a de Polignac number, because 22001311023 - 2¹⁰ = 22001309999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22001310993 and 22001311011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001311093) 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, 23355486 + ... + 23356427.

It is an arithmetic number, because the mean of its divisors is an integer number (3690241206).

Almost surely, 2^22001311023 is an apocalyptic number.

22001311023 is a deficient number, since it is larger than the sum of its proper divisors (7520618625).

22001311023 is a wasteful number, since it uses less digits than its factorization.

22001311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46712073.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22001311023 its reverse (32011310022), we get a palindrome (54012621045).

The spelling of 22001311023 in words is "twenty-two billion, one million, three hundred eleven thousand, twenty-three".