8428023 has 16 divisors (see below), whose sum is σ = 12541440. Its totient is φ = 5593752.

The previous prime is 8428003. The next prime is 8428031. The reversal of 8428023 is 3208248.

8428023 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8428023 - 2¹² = 8423927 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

8428023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428003) 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, 7090 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (783840).

Almost surely, 2^8428023 is an apocalyptic number.

8428023 is a deficient number, since it is larger than the sum of its proper divisors (4113417).

8428023 is a wasteful number, since it uses less digits than its factorization.

8428023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8428023 is about 2903.1057507435. The cubic root of 8428023 is about 203.5050718430.

The spelling of 8428023 in words is "eight million, four hundred twenty-eight thousand, twenty-three".