923964121 has 2 divisors, whose sum is σ = 923964122. Its totient is φ = 923964120.

The previous prime is 923964101. The next prime is 923964149. The reversal of 923964121 is 121469329.

923964121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814531600 + 109432521 = 28540^2 + 10461^2 .

It is an emirp because it is prime and its reverse (121469329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923964121 - 2¹⁵ = 923931353 is a prime.

It is not a weakly prime, because it can be changed into another prime (923964101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461982060 + 461982061.

It is an arithmetic number, because the mean of its divisors is an integer number (461982061).

Almost surely, 2^923964121 is an apocalyptic number.

It is an amenable number.

923964121 is a deficient number, since it is larger than the sum of its proper divisors (1).

923964121 is an equidigital number, since it uses as much as digits as its factorization.

923964121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 923964121 is about 30396.7781351906. The cubic root of 923964121 is about 973.9837303872.

The spelling of 923964121 in words is "nine hundred twenty-three million, nine hundred sixty-four thousand, one hundred twenty-one".