423240440112423 has 24 divisors (see below), whose sum is σ = 616211001090048. Its totient is φ = 279915869539152.

The previous prime is 423240440112409. The next prime is 423240440112437. The reversal of 423240440112423 is 324211044042324.

423240440112423 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 4 + 0 + 4 + 401 + 1 + 242 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (423240440112409) and next prime (423240440112437).

It is not a de Polignac number, because 423240440112423 - 2¹⁷ = 423240439981351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423240440112403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891915 + ... + 29108012.

It is an arithmetic number, because the mean of its divisors is an integer number (25675458378752).

Almost surely, 2^{423240440112423} is an apocalyptic number.

423240440112423 is a deficient number, since it is larger than the sum of its proper divisors (192970560977625).

423240440112423 is a wasteful number, since it uses less digits than its factorization.

423240440112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30012403 (or 30012400 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 423240440112423 its reverse (324211044042324), we get a palindrome (747451484154747).

The spelling of 423240440112423 in words is "four hundred twenty-three trillion, two hundred forty billion, four hundred forty million, one hundred twelve thousand, four hundred twenty-three".