40366023 has 4 divisors (see below), whose sum is σ = 53821368. Its totient is φ = 26910680.

The previous prime is 40365961. The next prime is 40366031. The reversal of 40366023 is 32066304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40366023 - 2¹⁰ = 40364999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40365984 and 40366002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6727668 + ... + 6727673.

It is an arithmetic number, because the mean of its divisors is an integer number (13455342).

Almost surely, 2^40366023 is an apocalyptic number.

40366023 is a deficient number, since it is larger than the sum of its proper divisors (13455345).

40366023 is a wasteful number, since it uses less digits than its factorization.

40366023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13455344.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 40366023 is about 6353.4260836182. The cubic root of 40366023 is about 343.0351744790.

The spelling of 40366023 in words is "forty million, three hundred sixty-six thousand, twenty-three".