40125013421423 has 12 divisors (see below), whose sum is σ = 46849552898760. Its totient is φ = 34265014105392.

The previous prime is 40125013421411. The next prime is 40125013421447. The reversal of 40125013421423 is 32412431052104.

It is not a de Polignac number, because 40125013421423 - 2¹⁴ = 40125013405039 is a prime.

It is a super-2 number, since 2×40125013421423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40125013421423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125013421453) 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, 1522064561 + ... + 1522090922.

It is an arithmetic number, because the mean of its divisors is an integer number (3904129408230).

Almost surely, 2^{40125013421423} is an apocalyptic number.

40125013421423 is a deficient number, since it is larger than the sum of its proper divisors (6724539477337).

40125013421423 is a wasteful number, since it uses less digits than its factorization.

40125013421423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044155766 (or 3044155759 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 40125013421423 its reverse (32412431052104), we get a palindrome (72537444473527).

The spelling of 40125013421423 in words is "forty trillion, one hundred twenty-five billion, thirteen million, four hundred twenty-one thousand, four hundred twenty-three".