2257123475 has 6 divisors (see below), whose sum is σ = 2798833140. Its totient is φ = 1805698760.

The previous prime is 2257123399. The next prime is 2257123489. The reversal of 2257123475 is 5743217522.

It is not a de Polignac number, because 2257123475 - 2¹² = 2257119379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45142445 + ... + 45142494.

It is an arithmetic number, because the mean of its divisors is an integer number (466472190).

Almost surely, 2^2257123475 is an apocalyptic number.

2257123475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2257123475 is a deficient number, since it is larger than the sum of its proper divisors (541709665).

2257123475 is an equidigital number, since it uses as much as digits as its factorization.

2257123475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90284949 (or 90284944 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 2257123475 is about 47509.1935839791. The cubic root of 2257123475 is about 1311.7521133015.

The spelling of 2257123475 in words is "two billion, two hundred fifty-seven million, one hundred twenty-three thousand, four hundred seventy-five".