11723451043 has 2 divisors, whose sum is σ = 11723451044. Its totient is φ = 11723451042.

The previous prime is 11723451007. The next prime is 11723451053. The reversal of 11723451043 is 34015432711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11723451043 - 2¹³ = 11723442851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11723450996 and 11723451014.

It is not a weakly prime, because it can be changed into another prime (11723451053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861725521 + 5861725522.

It is an arithmetic number, because the mean of its divisors is an integer number (5861725522).

Almost surely, 2^11723451043 is an apocalyptic number.

11723451043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723451043 is an equidigital number, since it uses as much as digits as its factorization.

11723451043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 11723451043 its reverse (34015432711), we get a palindrome (45738883754).

The spelling of 11723451043 in words is "eleven billion, seven hundred twenty-three million, four hundred fifty-one thousand, forty-three".