11403451223 has 2 divisors, whose sum is σ = 11403451224. Its totient is φ = 11403451222.

The previous prime is 11403451123. The next prime is 11403451249. The reversal of 11403451223 is 32215430411.

It is a happy number.

It is an a-pointer prime, because the next prime (11403451249) can be obtained adding 11403451223 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11403451223 - 2¹⁰ = 11403450199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403451192 and 11403451201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403451123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701725611 + 5701725612.

It is an arithmetic number, because the mean of its divisors is an integer number (5701725612).

Almost surely, 2^11403451223 is an apocalyptic number.

11403451223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403451223 is an equidigital number, since it uses as much as digits as its factorization.

11403451223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11403451223 its reverse (32215430411), we get a palindrome (43618881634).

The spelling of 11403451223 in words is "eleven billion, four hundred three million, four hundred fifty-one thousand, two hundred twenty-three".