423976845 has 16 divisors (see below), whose sum is σ = 679154112. Its totient is φ = 225857280.

The previous prime is 423976841. The next prime is 423976853. The reversal of 423976845 is 548679324.

It is not a de Polignac number, because 423976845 - 2² = 423976841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423976794 and 423976803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423976841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2827 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (42447132).

Almost surely, 2^423976845 is an apocalyptic number.

It is an amenable number.

423976845 is a deficient number, since it is larger than the sum of its proper divisors (255177267).

423976845 is a wasteful number, since it uses less digits than its factorization.

423976845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32972.

The product of its digits is 1451520, while the sum is 48.

The square root of 423976845 is about 20590.6980211939. The cubic root of 423976845 is about 751.2434749983.

The spelling of 423976845 in words is "four hundred twenty-three million, nine hundred seventy-six thousand, eight hundred forty-five".