923396381 has 8 divisors (see below), whose sum is σ = 930787200. Its totient is φ = 916030720.

The previous prime is 923396351. The next prime is 923396407. The reversal of 923396381 is 183693329.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 923396381 - 2²⁶ = 856287517 is a prime.

It is a super-2 number, since 2×923396381² = 1705321752887794322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923396311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71165 + ... + 83133.

It is an arithmetic number, because the mean of its divisors is an integer number (116348400).

Almost surely, 2^923396381 is an apocalyptic number.

It is an amenable number.

923396381 is a deficient number, since it is larger than the sum of its proper divisors (7390819).

923396381 is a wasteful number, since it uses less digits than its factorization.

923396381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12579.

The product of its digits is 209952, while the sum is 44.

The square root of 923396381 is about 30387.4378814667. The cubic root of 923396381 is about 973.7841978121.

The spelling of 923396381 in words is "nine hundred twenty-three million, three hundred ninety-six thousand, three hundred eighty-one".