923733997 has 2 divisors, whose sum is σ = 923733998. Its totient is φ = 923733996.

The previous prime is 923733983. The next prime is 923734037. The reversal of 923733997 is 799337329.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621704356 + 302029641 = 24934^2 + 17379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923733997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923733917) 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, 461866998 + 461866999.

It is an arithmetic number, because the mean of its divisors is an integer number (461866999).

Almost surely, 2^923733997 is an apocalyptic number.

It is an amenable number.

923733997 is a deficient number, since it is larger than the sum of its proper divisors (1).

923733997 is an equidigital number, since it uses as much as digits as its factorization.

923733997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1928934, while the sum is 52.

The square root of 923733997 is about 30392.9925640763. The cubic root of 923733997 is about 973.9028630183.

It can be divided in two parts, 9237 and 33997, that added together give a palindrome (43234).

The spelling of 923733997 in words is "nine hundred twenty-three million, seven hundred thirty-three thousand, nine hundred ninety-seven".