22011023123 has 8 divisors (see below), whose sum is σ = 22073491440. Its totient is φ = 21948585760.

The previous prime is 22011023117. The next prime is 22011023131. The reversal of 22011023123 is 32132011022.

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 22011023123 - 2²⁸ = 21742587667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011020123) 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, 2707661 + ... + 2715777.

It is an arithmetic number, because the mean of its divisors is an integer number (2759186430).

Almost surely, 2^22011023123 is an apocalyptic number.

22011023123 is a deficient number, since it is larger than the sum of its proper divisors (62468317).

22011023123 is an equidigital number, since it uses as much as digits as its factorization.

22011023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22011023123 its reverse (32132011022), we get a palindrome (54143034145).

The spelling of 22011023123 in words is "twenty-two billion, eleven million, twenty-three thousand, one hundred twenty-three".