4321123401 has 16 divisors (see below), whose sum is σ = 6609613824. Its totient is φ = 2459821584.

The previous prime is 4321123397. The next prime is 4321123409. The reversal of 4321123401 is 1043211234.

It is not a de Polignac number, because 4321123401 - 2² = 4321123397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4321123409) 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 15 ways as a sum of consecutive naturals, for example, 385671 + ... + 396716.

It is an arithmetic number, because the mean of its divisors is an integer number (413100864).

Almost surely, 2^4321123401 is an apocalyptic number.

It is an amenable number.

4321123401 is a deficient number, since it is larger than the sum of its proper divisors (2288490423).

4321123401 is a wasteful number, since it uses less digits than its factorization.

4321123401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782660.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4321123401 is about 65735.2523460586. The cubic root of 4321123401 is about 1628.7917326966.

Adding to 4321123401 its reverse (1043211234), we get a palindrome (5364334635).

The spelling of 4321123401 in words is "four billion, three hundred twenty-one million, one hundred twenty-three thousand, four hundred one".