11523456223 has 2 divisors, whose sum is σ = 11523456224. Its totient is φ = 11523456222.

The previous prime is 11523456173. The next prime is 11523456229. The reversal of 11523456223 is 32265432511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11523456223 - 2¹³ = 11523448031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523456229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761728111 + 5761728112.

It is an arithmetic number, because the mean of its divisors is an integer number (5761728112).

Almost surely, 2^11523456223 is an apocalyptic number.

11523456223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523456223 is an equidigital number, since it uses as much as digits as its factorization.

11523456223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

Adding to 11523456223 its reverse (32265432511), we get a palindrome (43788888734).

The spelling of 11523456223 in words is "eleven billion, five hundred twenty-three million, four hundred fifty-six thousand, two hundred twenty-three".