40123240203 has 8 divisors (see below), whose sum is σ = 55342400400. Its totient is φ = 25826453408.

The previous prime is 40123240193. The next prime is 40123240211. The reversal of 40123240203 is 30204232104.

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

It is a cyclic number.

It is not a de Polignac number, because 40123240203 - 2⁹ = 40123239691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40123240203.

It is not an unprimeable number, because it can be changed into a prime (40123248203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230593248 + ... + 230593421.

It is an arithmetic number, because the mean of its divisors is an integer number (6917800050).

Almost surely, 2^40123240203 is an apocalyptic number.

40123240203 is a deficient number, since it is larger than the sum of its proper divisors (15219160197).

40123240203 is a wasteful number, since it uses less digits than its factorization.

40123240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461186701.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40123240203 its reverse (30204232104), we get a palindrome (70327472307).

The spelling of 40123240203 in words is "forty billion, one hundred twenty-three million, two hundred forty thousand, two hundred three".