40050723 has 4 divisors (see below), whose sum is σ = 53400968. Its totient is φ = 26700480.

The previous prime is 40050719. The next prime is 40050733. The reversal of 40050723 is 32705004.

It is a happy number.

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

It is not a de Polignac number, because 40050723 - 2² = 40050719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40050723.

It is not an unprimeable number, because it can be changed into a prime (40050733) 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, 6675118 + ... + 6675123.

It is an arithmetic number, because the mean of its divisors is an integer number (13350242).

Almost surely, 2^40050723 is an apocalyptic number.

40050723 is a deficient number, since it is larger than the sum of its proper divisors (13350245).

40050723 is a wasteful number, since it uses less digits than its factorization.

40050723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13350244.

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

The square root of 40050723 is about 6328.5640551392. The cubic root of 40050723 is about 342.1396867912.

Adding to 40050723 its reverse (32705004), we get a palindrome (72755727).

The spelling of 40050723 in words is "forty million, fifty thousand, seven hundred twenty-three".