40456323 has 12 divisors (see below), whose sum is σ = 58516120. Its totient is φ = 26934336.

The previous prime is 40456319. The next prime is 40456343. The reversal of 40456323 is 32365404.

It is not a de Polignac number, because 40456323 - 2² = 40456319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40456303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5115 + ... + 10347.

Almost surely, 2^40456323 is an apocalyptic number.

40456323 is a deficient number, since it is larger than the sum of its proper divisors (18059797).

40456323 is a wasteful number, since it uses less digits than its factorization.

40456323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 40456323 is about 6360.5285157760. The cubic root of 40456323 is about 343.2907772895.

The spelling of 40456323 in words is "forty million, four hundred fifty-six thousand, three hundred twenty-three".