2258649123 has 8 divisors (see below), whose sum is σ = 3084984336. Its totient is φ = 1469040000.

The previous prime is 2258649103. The next prime is 2258649139. The reversal of 2258649123 is 3219468522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2258649123 - 2¹⁰ = 2258648099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2258649103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9181378 + ... + 9181623.

It is an arithmetic number, because the mean of its divisors is an integer number (385623042).

Almost surely, 2^2258649123 is an apocalyptic number.

2258649123 is a deficient number, since it is larger than the sum of its proper divisors (826335213).

2258649123 is a wasteful number, since it uses less digits than its factorization.

2258649123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18363045.

The product of its digits is 207360, while the sum is 42.

The square root of 2258649123 is about 47525.2472166111. The cubic root of 2258649123 is about 1312.0475957708.

The spelling of 2258649123 in words is "two billion, two hundred fifty-eight million, six hundred forty-nine thousand, one hundred twenty-three".