423400545401 has 8 divisors (see below), whose sum is σ = 427585443840. Its totient is φ = 419219867248.

The previous prime is 423400545391. The next prime is 423400545443. The reversal of 423400545401 is 104545004324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423400545401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423400545301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853241 + ... + 1254918.

It is an arithmetic number, because the mean of its divisors is an integer number (53448180480).

Almost surely, 2^423400545401 is an apocalyptic number.

It is an amenable number.

423400545401 is a deficient number, since it is larger than the sum of its proper divisors (4184898439).

423400545401 is a wasteful number, since it uses less digits than its factorization.

423400545401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110143.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 423400545401 its reverse (104545004324), we get a palindrome (527945549725).

The spelling of 423400545401 in words is "four hundred twenty-three billion, four hundred million, five hundred forty-five thousand, four hundred one".