1323630037 has 2 divisors, whose sum is σ = 1323630038. Its totient is φ = 1323630036.

The previous prime is 1323630017. The next prime is 1323630089. The reversal of 1323630037 is 7300363231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200553201 + 123076836 = 34649^2 + 11094^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323630037 - 2¹⁵ = 1323597269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323629987 and 1323630014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323630017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661815018 + 661815019.

It is an arithmetic number, because the mean of its divisors is an integer number (661815019).

Almost surely, 2^1323630037 is an apocalyptic number.

It is an amenable number.

1323630037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323630037 is an equidigital number, since it uses as much as digits as its factorization.

1323630037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 1323630037 is about 36381.7266907441. The cubic root of 1323630037 is about 1097.9659482386.

Adding to 1323630037 its reverse (7300363231), we get a palindrome (8623993268).

The spelling of 1323630037 in words is "one billion, three hundred twenty-three million, six hundred thirty thousand, thirty-seven".