40235252026423 has 4 divisors (see below), whose sum is σ = 40801945717008. Its totient is φ = 39668558335840.

The previous prime is 40235252026391. The next prime is 40235252026433. The reversal of 40235252026423 is 32462025253204.

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 40235252026423 - 2⁵ = 40235252026391 is a prime.

It is a super-2 number, since 2×40235252026423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235252026433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283346845186 + ... + 283346845327.

It is an arithmetic number, because the mean of its divisors is an integer number (10200486429252).

Almost surely, 2^{40235252026423} is an apocalyptic number.

40235252026423 is a deficient number, since it is larger than the sum of its proper divisors (566693690585).

40235252026423 is an equidigital number, since it uses as much as digits as its factorization.

40235252026423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566693690584.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 40235252026423 its reverse (32462025253204), we get a palindrome (72697277279627).

The spelling of 40235252026423 in words is "forty trillion, two hundred thirty-five billion, two hundred fifty-two million, twenty-six thousand, four hundred twenty-three".