40123650243 has 8 divisors (see below), whose sum is σ = 53499518800. Its totient is φ = 26748440928.

The previous prime is 40123650221. The next prime is 40123650283. The reversal of 40123650243 is 34205632104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40123650243 - 2⁵ = 40123650211 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 40123650243.

It is not an unprimeable number, because it can be changed into a prime (40123650283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 283281.

It is an arithmetic number, because the mean of its divisors is an integer number (6687439850).

Almost surely, 2^40123650243 is an apocalyptic number.

40123650243 is a deficient number, since it is larger than the sum of its proper divisors (13375868557).

40123650243 is a wasteful number, since it uses less digits than its factorization.

40123650243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329621.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 40123650243 in words is "forty billion, one hundred twenty-three million, six hundred fifty thousand, two hundred forty-three".