423878406053 has 4 divisors (see below), whose sum is σ = 423919879488. Its totient is φ = 423836932620.

The previous prime is 423878406031. The next prime is 423878406103. The reversal of 423878406053 is 350604878324.

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 423878406053 - 2⁶ = 423878405989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423878405992 and 423878406010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423878400053) 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, 20721383 + ... + 20741828.

It is an arithmetic number, because the mean of its divisors is an integer number (105979969872).

Almost surely, 2^423878406053 is an apocalyptic number.

It is an amenable number.

423878406053 is a deficient number, since it is larger than the sum of its proper divisors (41473435).

423878406053 is a wasteful number, since it uses less digits than its factorization.

423878406053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41473434.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 423878406053 in words is "four hundred twenty-three billion, eight hundred seventy-eight million, four hundred six thousand, fifty-three".