44123432137 has 2 divisors, whose sum is σ = 44123432138. Its totient is φ = 44123432136.

The previous prime is 44123432117. The next prime is 44123432167. The reversal of 44123432137 is 73123432144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37929899536 + 6193532601 = 194756^2 + 78699^2 .

It is a cyclic number.

It is not a de Polignac number, because 44123432137 - 2³⁵ = 9763693769 is a prime.

It is not a weakly prime, because it can be changed into another prime (44123432117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22061716068 + 22061716069.

It is an arithmetic number, because the mean of its divisors is an integer number (22061716069).

Almost surely, 2^44123432137 is an apocalyptic number.

It is an amenable number.

44123432137 is a deficient number, since it is larger than the sum of its proper divisors (1).

44123432137 is an equidigital number, since it uses as much as digits as its factorization.

44123432137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 34.

The spelling of 44123432137 in words is "forty-four billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred thirty-seven".