11230401173 has 2 divisors, whose sum is σ = 11230401174. Its totient is φ = 11230401172.

The previous prime is 11230401097. The next prime is 11230401179. The reversal of 11230401173 is 37110403211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9778638769 + 1451762404 = 98887^2 + 38102^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230401173 - 2⁸ = 11230400917 is a prime.

It is a super-2 number, since 2×11230401173² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230401179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615200586 + 5615200587.

It is an arithmetic number, because the mean of its divisors is an integer number (5615200587).

Almost surely, 2^11230401173 is an apocalyptic number.

It is an amenable number.

11230401173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230401173 is an equidigital number, since it uses as much as digits as its factorization.

11230401173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 11230401173 its reverse (37110403211), we get a palindrome (48340804384).

The spelling of 11230401173 in words is "eleven billion, two hundred thirty million, four hundred one thousand, one hundred seventy-three".