40100004021023 has 4 divisors (see below), whose sum is σ = 40467893966280. Its totient is φ = 39732114075768.

The previous prime is 40100004021013. The next prime is 40100004021029. The reversal of 40100004021023 is 32012040000104.

40100004021023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40100004021023 - 2²⁴ = 40099987243807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40100004020992 and 40100004021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100004021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183944972465 + ... + 183944972682.

It is an arithmetic number, because the mean of its divisors is an integer number (10116973491570).

Almost surely, 2^{40100004021023} is an apocalyptic number.

40100004021023 is a deficient number, since it is larger than the sum of its proper divisors (367889945257).

40100004021023 is a wasteful number, since it uses less digits than its factorization.

40100004021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367889945256.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40100004021023 its reverse (32012040000104), we get a palindrome (72112044021127).

The spelling of 40100004021023 in words is "forty trillion, one hundred billion, four million, twenty-one thousand, twenty-three".