22000400023 has 8 divisors (see below), whose sum is σ = 25151716640. Its totient is φ = 18851184000.

The previous prime is 22000399997. The next prime is 22000400033. The reversal of 22000400023 is 32000400022.

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

It is a cyclic number.

It is not a de Polignac number, because 22000400023 - 2¹⁷ = 22000268951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000399976 and 22000400012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000400033) 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, 502638 + ... + 544651.

It is an arithmetic number, because the mean of its divisors is an integer number (3143964580).

Almost surely, 2^22000400023 is an apocalyptic number.

22000400023 is a deficient number, since it is larger than the sum of its proper divisors (3151316617).

22000400023 is a wasteful number, since it uses less digits than its factorization.

22000400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050297.

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

Adding to 22000400023 its reverse (32000400022), we get a palindrome (54000800045).

Subtracting 22000400023 from its reverse (32000400022), we obtain a palindrome (9999999999).

The spelling of 22000400023 in words is "twenty-two billion, four hundred thousand, twenty-three".