40002130023 has 8 divisors (see below), whose sum is σ = 53339653248. Its totient is φ = 26666346744.

The previous prime is 40002129967. The next prime is 40002130037. The reversal of 40002130023 is 32003120004.

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

It is not a de Polignac number, because 40002130023 - 2¹⁸ = 40001867879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40002129984 and 40002130011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002130123) 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, 380361 + ... + 474002.

It is an arithmetic number, because the mean of its divisors is an integer number (6667456656).

Almost surely, 2^40002130023 is an apocalyptic number.

40002130023 is a deficient number, since it is larger than the sum of its proper divisors (13337523225).

40002130023 is a wasteful number, since it uses less digits than its factorization.

40002130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869973.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 40002130023 its reverse (32003120004), we get a palindrome (72005250027).

The spelling of 40002130023 in words is "forty billion, two million, one hundred thirty thousand, twenty-three".