11230232129 has 2 divisors, whose sum is σ = 11230232130. Its totient is φ = 11230232128.

The previous prime is 11230232099. The next prime is 11230232171. The reversal of 11230232129 is 92123203211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11124553729 + 105678400 = 105473^2 + 10280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11230232129 is a prime.

It is a super-2 number, since 2×11230232129² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230232098 and 11230232107.

It is not a weakly prime, because it can be changed into another prime (11230232179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615116064 + 5615116065.

It is an arithmetic number, because the mean of its divisors is an integer number (5615116065).

Almost surely, 2^11230232129 is an apocalyptic number.

It is an amenable number.

11230232129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230232129 is an equidigital number, since it uses as much as digits as its factorization.

11230232129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11230232129 in words is "eleven billion, two hundred thirty million, two hundred thirty-two thousand, one hundred twenty-nine".