423244401323413 has 4 divisors (see below), whose sum is σ = 425015298400320. Its totient is φ = 421473504246508.

The previous prime is 423244401323399. The next prime is 423244401323417. The reversal of 423244401323413 is 314323104442324.

It is a happy number.

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 423244401323413 - 2²⁹ = 423243864452501 is a prime.

It is a super-2 number, since 2×423244401323413² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423244401323417) 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, 885448538095 + ... + 885448538572.

It is an arithmetic number, because the mean of its divisors is an integer number (106253824600080).

Almost surely, 2^{423244401323413} is an apocalyptic number.

It is an amenable number.

423244401323413 is a deficient number, since it is larger than the sum of its proper divisors (1770897076907).

423244401323413 is a wasteful number, since it uses less digits than its factorization.

423244401323413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770897076906.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 423244401323413 its reverse (314323104442324), we get a palindrome (737567505765737).

The spelling of 423244401323413 in words is "four hundred twenty-three trillion, two hundred forty-four billion, four hundred one million, three hundred twenty-three thousand, four hundred thirteen".