40233230129 has 2 divisors, whose sum is σ = 40233230130. Its totient is φ = 40233230128.

The previous prime is 40233230099. The next prime is 40233230137. The reversal of 40233230129 is 92103233204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40080040000 + 153190129 = 200200^2 + 12377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40233230129 is a prime.

It is a super-2 number, since 2×40233230129² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40233230159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116615064 + 20116615065.

It is an arithmetic number, because the mean of its divisors is an integer number (20116615065).

Almost surely, 2^40233230129 is an apocalyptic number.

It is an amenable number.

40233230129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233230129 is an equidigital number, since it uses as much as digits as its factorization.

40233230129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 40233230129 in words is "forty billion, two hundred thirty-three million, two hundred thirty thousand, one hundred twenty-nine".