2258923 has 4 divisors (see below), whose sum is σ = 2265120. Its totient is φ = 2252728.

The previous prime is 2258917. The next prime is 2258947. The reversal of 2258923 is 3298522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2258923 - 2²¹ = 161771 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁰ + 5⁹ + 8⁶ + 9⁴ + 2¹⁴ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2258903) 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, 2515 + ... + 3292.

It is an arithmetic number, because the mean of its divisors is an integer number (566280).

2^2258923 is an apocalyptic number.

2258923 is a deficient number, since it is larger than the sum of its proper divisors (6197).

2258923 is an equidigital number, since it uses as much as digits as its factorization.

2258923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196.

The product of its digits is 8640, while the sum is 31.

The square root of 2258923 is about 1502.9713902799. The cubic root of 2258923 is about 131.2100625276.

The spelling of 2258923 in words is "two million, two hundred fifty-eight thousand, nine hundred twenty-three".