423780047 has 8 divisors (see below), whose sum is σ = 446534400. Its totient is φ = 401070744.

The previous prime is 423780031. The next prime is 423780061. The reversal of 423780047 is 740087324.

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 423780047 - 2⁴ = 423780031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423779989 and 423780016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423710047) 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, 9008 + ... + 30474.

It is an arithmetic number, because the mean of its divisors is an integer number (55816800).

Almost surely, 2^423780047 is an apocalyptic number.

423780047 is a deficient number, since it is larger than the sum of its proper divisors (22754353).

423780047 is a wasteful number, since it uses less digits than its factorization.

423780047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22525.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 423780047 is about 20585.9186581508. The cubic root of 423780047 is about 751.1272217202.

The spelling of 423780047 in words is "four hundred twenty-three million, seven hundred eighty thousand, forty-seven".