22004000023 has 4 divisors (see below), whose sum is σ = 22021905240. Its totient is φ = 21986094808.

The previous prime is 22004000021. The next prime is 22004000063. The reversal of 22004000023 is 32000040022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32000040022 = 2 ⋅16000020011.

It is a cyclic number.

It is not a de Polignac number, because 22004000023 - 2¹ = 22004000021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22003999967 and 22004000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004000021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8950765 + ... + 8953222.

It is an arithmetic number, because the mean of its divisors is an integer number (5505476310).

Almost surely, 2^22004000023 is an apocalyptic number.

22004000023 is a deficient number, since it is larger than the sum of its proper divisors (17905217).

22004000023 is a wasteful number, since it uses less digits than its factorization.

22004000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17905216.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 22004000023 its reverse (32000040022), we get a palindrome (54004040045).

The spelling of 22004000023 in words is "twenty-two billion, four million, twenty-three", and thus it is an aban number.