11323320221123 has 4 divisors (see below), whose sum is σ = 11334542541480. Its totient is φ = 11312097900768.

The previous prime is 11323320221119. The next prime is 11323320221153. The reversal of 11323320221123 is 32112202332311.

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

It is a cyclic number.

It is not a de Polignac number, because 11323320221123 - 2² = 11323320221119 is a prime.

It is a super-2 number, since 2×11323320221123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11323320221092 and 11323320221101.

It is not an unprimeable number, because it can be changed into a prime (11323320221153) 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, 5611158665 + ... + 5611160682.

It is an arithmetic number, because the mean of its divisors is an integer number (2833635635370).

Almost surely, 2^{11323320221123} is an apocalyptic number.

11323320221123 is a deficient number, since it is larger than the sum of its proper divisors (11222320357).

11323320221123 is a wasteful number, since it uses less digits than its factorization.

11323320221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222320356.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11323320221123 its reverse (32112202332311), we get a palindrome (43435522553434).

The spelling of 11323320221123 in words is "eleven trillion, three hundred twenty-three billion, three hundred twenty million, two hundred twenty-one thousand, one hundred twenty-three".