11323220123 has 2 divisors, whose sum is σ = 11323220124. Its totient is φ = 11323220122.

The previous prime is 11323220101. The next prime is 11323220189. The reversal of 11323220123 is 32102232311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11323220123 - 2¹⁴ = 11323203739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11323220095 and 11323220104.

It is not a weakly prime, because it can be changed into another prime (11323220023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661610061 + 5661610062.

It is an arithmetic number, because the mean of its divisors is an integer number (5661610062).

Almost surely, 2^11323220123 is an apocalyptic number.

11323220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323220123 is an equidigital number, since it uses as much as digits as its factorization.

11323220123 is an evil number, because the sum of its binary digits is even.

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

Adding to 11323220123 its reverse (32102232311), we get a palindrome (43425452434).

The spelling of 11323220123 in words is "eleven billion, three hundred twenty-three million, two hundred twenty thousand, one hundred twenty-three".