456233189 has 4 divisors (see below), whose sum is σ = 456479424. Its totient is φ = 455986956.

The previous prime is 456233179. The next prime is 456233209. The reversal of 456233189 is 981332654.

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, and also an emirpimes, since its reverse is a distinct semiprime: 981332654 = 2 ⋅490666327.

It is a cyclic number.

It is not a de Polignac number, because 456233189 - 2¹⁶ = 456167653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456233119) 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, 120317 + ... + 124050.

It is an arithmetic number, because the mean of its divisors is an integer number (114119856).

Almost surely, 2^456233189 is an apocalyptic number.

It is an amenable number.

456233189 is a deficient number, since it is larger than the sum of its proper divisors (246235).

456233189 is a wasteful number, since it uses less digits than its factorization.

456233189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246234.

The product of its digits is 155520, while the sum is 41.

The square root of 456233189 is about 21359.6158439238. The cubic root of 456233189 is about 769.8314068399.

The spelling of 456233189 in words is "four hundred fifty-six million, two hundred thirty-three thousand, one hundred eighty-nine".