1323421037 has 2 divisors, whose sum is σ = 1323421038. Its totient is φ = 1323421036.

The previous prime is 1323421027. The next prime is 1323421063. The reversal of 1323421037 is 7301243231.

It is an a-pointer prime, because the next prime (1323421063) can be obtained adding 1323421037 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1229834761 + 93586276 = 35069^2 + 9674^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323421037 - 2⁸ = 1323420781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323420997 and 1323421015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323421027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661710518 + 661710519.

It is an arithmetic number, because the mean of its divisors is an integer number (661710519).

Almost surely, 2^1323421037 is an apocalyptic number.

It is an amenable number.

1323421037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323421037 is an equidigital number, since it uses as much as digits as its factorization.

1323421037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1323421037 is about 36378.8542562847. The cubic root of 1323421037 is about 1097.9081559160.

Adding to 1323421037 its reverse (7301243231), we get a palindrome (8624664268).

The spelling of 1323421037 in words is "one billion, three hundred twenty-three million, four hundred twenty-one thousand, thirty-seven".