423001489 has 9 divisors (see below), whose sum is σ = 428987451. Its totient is φ = 417098760.

The previous prime is 423001477. The next prime is 423001507. The reversal of 423001489 is 984100324.

The square root of 423001489 is 20567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 299013264 = 11135^2 + 17292^2 .

It is not a de Polignac number, because 423001489 - 2¹³ = 422993297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423001489.

It is not an unprimeable number, because it can be changed into a prime (423001409) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2694199 + ... + 2694355.

Almost surely, 2^423001489 is an apocalyptic number.

423001489 is the 20567-th square number.

423001489 is the 10284-th centered octagonal number.

It is an amenable number.

423001489 is a deficient number, since it is larger than the sum of its proper divisors (5985962).

423001489 is an frugal number, since it uses more digits than its factorization.

423001489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The cubic root of 423001489 is about 750.6669557546. Note that the first 3 decimals are identical.

The spelling of 423001489 in words is "four hundred twenty-three million, one thousand, four hundred eighty-nine".