40259323 has 8 divisors (see below), whose sum is σ = 43405488. Its totient is φ = 37120224.

The previous prime is 40259273. The next prime is 40259327. The reversal of 40259323 is 32395204.

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 40259323 - 2¹³ = 40251131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40259291 and 40259300.

It is not an unprimeable number, because it can be changed into a prime (40259327) 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, 21636 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (5425686).

Almost surely, 2^40259323 is an apocalyptic number.

40259323 is a deficient number, since it is larger than the sum of its proper divisors (3146165).

40259323 is a wasteful number, since it uses less digits than its factorization.

40259323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 40259323 is about 6345.0234830141. The cubic root of 40259323 is about 342.7326580895.

The spelling of 40259323 in words is "forty million, two hundred fifty-nine thousand, three hundred twenty-three".