22311321023 has 8 divisors (see below), whose sum is σ = 23064393216. Its totient is φ = 21560333400.

The previous prime is 22311321017. The next prime is 22311321037. The reversal of 22311321023 is 32012311322.

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 22311321023 - 2⁸ = 22311320767 is a prime.

It is a super-3 number, since 3×22311321023³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22311320986 and 22311321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311321323) 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, 499361 + ... + 542202.

It is an arithmetic number, because the mean of its divisors is an integer number (2883049152).

Almost surely, 2^22311321023 is an apocalyptic number.

22311321023 is a deficient number, since it is larger than the sum of its proper divisors (753072193).

22311321023 is a wasteful number, since it uses less digits than its factorization.

22311321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042285.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22311321023 its reverse (32012311322), we get a palindrome (54323632345).

The spelling of 22311321023 in words is "twenty-two billion, three hundred eleven million, three hundred twenty-one thousand, twenty-three".