22000135023 has 12 divisors (see below), whose sum is σ = 31944352128. Its totient is φ = 14589966240.

The previous prime is 22000134997. The next prime is 22000135057. The reversal of 22000135023 is 32053100022.

It is not a de Polignac number, because 22000135023 - 2²¹ = 21998037871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22000134987 and 22000135005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000115023) 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 11 ways as a sum of consecutive naturals, for example, 6397390 + ... + 6400827.

It is an arithmetic number, because the mean of its divisors is an integer number (2662029344).

Almost surely, 2^22000135023 is an apocalyptic number.

22000135023 is a deficient number, since it is larger than the sum of its proper divisors (9944217105).

22000135023 is a wasteful number, since it uses less digits than its factorization.

22000135023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12798414 (or 12798411 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 22000135023 its reverse (32053100022), we get a palindrome (54053235045).

The spelling of 22000135023 in words is "twenty-two billion, one hundred thirty-five thousand, twenty-three".