40204210023 has 12 divisors (see below), whose sum is σ = 58075236648. Its totient is φ = 26801658000.

The previous prime is 40204210021. The next prime is 40204210069. The reversal of 40204210023 is 32001240204.

It is not a de Polignac number, because 40204210023 - 2¹ = 40204210021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40204209978 and 40204210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204210021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162648 + ... + 326898.

It is an arithmetic number, because the mean of its divisors is an integer number (4839603054).

Almost surely, 2^40204210023 is an apocalyptic number.

40204210023 is a deficient number, since it is larger than the sum of its proper divisors (17871026625).

40204210023 is a wasteful number, since it uses less digits than its factorization.

40204210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191454 (or 191451 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40204210023 its reverse (32001240204), we get a palindrome (72205450227).

The spelling of 40204210023 in words is "forty billion, two hundred four million, two hundred ten thousand, twenty-three".