423340403401 has 4 divisors (see below), whose sum is σ = 425111702400. Its totient is φ = 421569104404.

The previous prime is 423340403383. The next prime is 423340403417. The reversal of 423340403401 is 104304043324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423340403401 - 2²⁷ = 423206185673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423340403401.

It is not an unprimeable number, because it can be changed into a prime (423340403461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885649141 + ... + 885649618.

It is an arithmetic number, because the mean of its divisors is an integer number (106277925600).

Almost surely, 2^423340403401 is an apocalyptic number.

It is an amenable number.

423340403401 is a deficient number, since it is larger than the sum of its proper divisors (1771298999).

423340403401 is a wasteful number, since it uses less digits than its factorization.

423340403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771298998.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 423340403401 its reverse (104304043324), we get a palindrome (527644446725).

The spelling of 423340403401 in words is "four hundred twenty-three billion, three hundred forty million, four hundred three thousand, four hundred one".