923323421 has 2 divisors, whose sum is σ = 923323422. Its totient is φ = 923323420.

The previous prime is 923323409. The next prime is 923323433. The reversal of 923323421 is 124323329.

It is a balanced prime because it is at equal distance from previous prime (923323409) and next prime (923323433).

It can be written as a sum of positive squares in only one way, i.e., 664917796 + 258405625 = 25786^2 + 16075^2 .

It is a cyclic number.

It is not a de Polignac number, because 923323421 - 2¹⁰ = 923322397 is a prime.

It is a super-2 number, since 2×923323421² = 1705052279534286482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923320421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461661710 + 461661711.

It is an arithmetic number, because the mean of its divisors is an integer number (461661711).

Almost surely, 2^923323421 is an apocalyptic number.

It is an amenable number.

923323421 is a deficient number, since it is larger than the sum of its proper divisors (1).

923323421 is an equidigital number, since it uses as much as digits as its factorization.

923323421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 923323421 is about 30386.2373616741. The cubic root of 923323421 is about 973.7585500449.

The spelling of 923323421 in words is "nine hundred twenty-three million, three hundred twenty-three thousand, four hundred twenty-one".