40923321 has 24 divisors (see below), whose sum is σ = 59618880. Its totient is φ = 24935904.

The previous prime is 40923319. The next prime is 40923329. The reversal of 40923321 is 12332904.

It is not a de Polignac number, because 40923321 - 2¹ = 40923319 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40923291 and 40923300.

It is not an unprimeable number, because it can be changed into a prime (40923329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30756 + ... + 32058.

It is an arithmetic number, because the mean of its divisors is an integer number (2484120).

Almost surely, 2^40923321 is an apocalyptic number.

It is an amenable number.

40923321 is a deficient number, since it is larger than the sum of its proper divisors (18695559).

40923321 is a wasteful number, since it uses less digits than its factorization.

40923321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40923321 is about 6397.1338113252. The cubic root of 40923321 is about 344.6066257833.

The spelling of 40923321 in words is "forty million, nine hundred twenty-three thousand, three hundred twenty-one".