40102130023 has 4 divisors (see below), whose sum is σ = 40955366880. Its totient is φ = 39248893168.

The previous prime is 40102130011. The next prime is 40102130041. The reversal of 40102130023 is 32003120104.

It is a happy number.

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 40102130023 - 2³³ = 31512195431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40102129979 and 40102130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102130063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426618358 + ... + 426618451.

It is an arithmetic number, because the mean of its divisors is an integer number (10238841720).

Almost surely, 2^40102130023 is an apocalyptic number.

40102130023 is a deficient number, since it is larger than the sum of its proper divisors (853236857).

40102130023 is an equidigital number, since it uses as much as digits as its factorization.

40102130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853236856.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40102130023 its reverse (32003120104), we get a palindrome (72105250127).

The spelling of 40102130023 in words is "forty billion, one hundred two million, one hundred thirty thousand, twenty-three".