2006123737 has 2 divisors, whose sum is σ = 2006123738. Its totient is φ = 2006123736.

The previous prime is 2006123699. The next prime is 2006123741. The reversal of 2006123737 is 7373216002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1908291856 + 97831881 = 43684^2 + 9891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006123737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006123699 and 2006123708.

It is not a weakly prime, because it can be changed into another prime (2006123237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003061868 + 1003061869.

It is an arithmetic number, because the mean of its divisors is an integer number (1003061869).

Almost surely, 2^2006123737 is an apocalyptic number.

It is an amenable number.

2006123737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006123737 is an equidigital number, since it uses as much as digits as its factorization.

2006123737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 2006123737 is about 44789.7726830579. The cubic root of 2006123737 is about 1261.2056438913.

Adding to 2006123737 its reverse (7373216002), we get a palindrome (9379339739).

The spelling of 2006123737 in words is "two billion, six million, one hundred twenty-three thousand, seven hundred thirty-seven".