423321365401 has 48 divisors (see below), whose sum is σ = 475371638784. Its totient is φ = 376629660000.

The previous prime is 423321365387. The next prime is 423321365459. The reversal of 423321365401 is 104563123324.

It is a happy number.

It is not a de Polignac number, because 423321365401 - 2¹³ = 423321357209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423321365501) 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 47 ways as a sum of consecutive naturals, for example, 435963846 + ... + 435964816.

It is an arithmetic number, because the mean of its divisors is an integer number (9903575808).

Almost surely, 2^423321365401 is an apocalyptic number.

It is an amenable number.

423321365401 is a deficient number, since it is larger than the sum of its proper divisors (52050273383).

423321365401 is a wasteful number, since it uses less digits than its factorization.

423321365401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 423321365401 its reverse (104563123324), we get a palindrome (527884488725).

The spelling of 423321365401 in words is "four hundred twenty-three billion, three hundred twenty-one million, three hundred sixty-five thousand, four hundred one".