22304011123 has 4 divisors (see below), whose sum is σ = 22533949480. Its totient is φ = 22074072768.

The previous prime is 22304011117. The next prime is 22304011129. The reversal of 22304011123 is 32111040322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22304011117) and next prime (22304011129).

It is a cyclic number.

It is not a de Polignac number, because 22304011123 - 2²¹ = 22301913971 is a prime.

It is a super-2 number, since 2×22304011123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22304011123.

It is not an unprimeable number, because it can be changed into a prime (22304011129) 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, 114969033 + ... + 114969226.

It is an arithmetic number, because the mean of its divisors is an integer number (5633487370).

Almost surely, 2^22304011123 is an apocalyptic number.

22304011123 is a deficient number, since it is larger than the sum of its proper divisors (229938357).

22304011123 is an equidigital number, since it uses as much as digits as its factorization.

22304011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229938356.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22304011123 its reverse (32111040322), we get a palindrome (54415051445).

The spelling of 22304011123 in words is "twenty-two billion, three hundred four million, eleven thousand, one hundred twenty-three".