421432323055423 has 8 divisors (see below), whose sum is σ = 452882496418992. Its totient is φ = 390722153771136.

The previous prime is 421432323055421. The next prime is 421432323055459. The reversal of 421432323055423 is 324550323234124.

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

It is a cyclic number.

It is not a de Polignac number, because 421432323055423 - 2¹ = 421432323055421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421432323055423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421432323055421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185001018640 + ... + 185001020917.

It is an arithmetic number, because the mean of its divisors is an integer number (56610312052374).

Almost surely, 2^{421432323055423} is an apocalyptic number.

421432323055423 is a deficient number, since it is larger than the sum of its proper divisors (31450173363569).

421432323055423 is a wasteful number, since it uses less digits than its factorization.

421432323055423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370002039641.

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 421432323055423 its reverse (324550323234124), we get a palindrome (745982646289547).

The spelling of 421432323055423 in words is "four hundred twenty-one trillion, four hundred thirty-two billion, three hundred twenty-three million, fifty-five thousand, four hundred twenty-three".