923121733 has 2 divisors, whose sum is σ = 923121734. Its totient is φ = 923121732.

The previous prime is 923121691. The next prime is 923121803. The reversal of 923121733 is 337121329.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547653604 + 375468129 = 23402^2 + 19377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923121733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 923121695 and 923121704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923121833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461560866 + 461560867.

It is an arithmetic number, because the mean of its divisors is an integer number (461560867).

Almost surely, 2^923121733 is an apocalyptic number.

It is an amenable number.

923121733 is a deficient number, since it is larger than the sum of its proper divisors (1).

923121733 is an equidigital number, since it uses as much as digits as its factorization.

923121733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 923121733 is about 30382.9184411241. The cubic root of 923121733 is about 973.6876432489.

The spelling of 923121733 in words is "nine hundred twenty-three million, one hundred twenty-one thousand, seven hundred thirty-three".