423400441121 has 12 divisors (see below), whose sum is σ = 496070411760. Its totient is φ = 360303761160.

The previous prime is 423400441109. The next prime is 423400441133. The reversal of 423400441121 is 121144004324.

It is an interprime number because it is at equal distance from previous prime (423400441109) and next prime (423400441133).

It is a de Polignac number, because none of the positive numbers 2^k-423400441121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423400441721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31075295 + ... + 31088916.

It is an arithmetic number, because the mean of its divisors is an integer number (41339200980).

Almost surely, 2^423400441121 is an apocalyptic number.

It is an amenable number.

423400441121 is a deficient number, since it is larger than the sum of its proper divisors (72669970639).

423400441121 is a wasteful number, since it uses less digits than its factorization.

423400441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62164364 (or 62164357 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 423400441121 its reverse (121144004324), we get a palindrome (544544445445).

The spelling of 423400441121 in words is "four hundred twenty-three billion, four hundred million, four hundred forty-one thousand, one hundred twenty-one".