40500723 has 16 divisors (see below), whose sum is σ = 59316480. Its totient is φ = 24466464.

The previous prime is 40500721. The next prime is 40500731. The reversal of 40500723 is 32700504.

It is a happy number.

It is not a de Polignac number, because 40500723 - 2¹ = 40500721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40500723.

It is not an unprimeable number, because it can be changed into a prime (40500721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14136 + ... + 16757.

It is an arithmetic number, because the mean of its divisors is an integer number (3707280).

Almost surely, 2^40500723 is an apocalyptic number.

40500723 is a deficient number, since it is larger than the sum of its proper divisors (18815757).

40500723 is a wasteful number, since it uses less digits than its factorization.

40500723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30938.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 40500723 is about 6364.0178346702. The cubic root of 40500723 is about 343.4163162807.

The spelling of 40500723 in words is "forty million, five hundred thousand, seven hundred twenty-three".