22311013123 has 8 divisors (see below), whose sum is σ = 25499783520. Its totient is φ = 19122613440.

The previous prime is 22311013099. The next prime is 22311013139. The reversal of 22311013123 is 32131011322.

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

It is not a de Polignac number, because 22311013123 - 2¹³ = 22311004931 is a prime.

It is a super-3 number, since 3×22311013123³ (a number of 32 digits) contains 333 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 22311013123.

It is not an unprimeable number, because it can be changed into a prime (22311013523) 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, 51183 + ... + 217351.

It is an arithmetic number, because the mean of its divisors is an integer number (3187472940).

Almost surely, 2^22311013123 is an apocalyptic number.

22311013123 is a deficient number, since it is larger than the sum of its proper divisors (3188770397).

22311013123 is a wasteful number, since it uses less digits than its factorization.

22311013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185357.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22311013123 its reverse (32131011322), we get a palindrome (54442024445).

The spelling of 22311013123 in words is "twenty-two billion, three hundred eleven million, thirteen thousand, one hundred twenty-three".