40023642103 has 4 divisors (see below), whose sum is σ = 40056156448. Its totient is φ = 39991127760.

The previous prime is 40023642097. The next prime is 40023642121. The reversal of 40023642103 is 30124632004.

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 40023642103 - 2¹³ = 40023633911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023642143) 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, 16255326 + ... + 16257787.

It is an arithmetic number, because the mean of its divisors is an integer number (10014039112).

Almost surely, 2^40023642103 is an apocalyptic number.

40023642103 is a deficient number, since it is larger than the sum of its proper divisors (32514345).

40023642103 is a wasteful number, since it uses less digits than its factorization.

40023642103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32514344.

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 40023642103 in words is "forty billion, twenty-three million, six hundred forty-two thousand, one hundred three".