2257111523 has 2 divisors, whose sum is σ = 2257111524. Its totient is φ = 2257111522.

The previous prime is 2257111511. The next prime is 2257111537. The reversal of 2257111523 is 3251117522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2257111523 - 2²⁰ = 2256062947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257111123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128555761 + 1128555762.

It is an arithmetic number, because the mean of its divisors is an integer number (1128555762).

Almost surely, 2^2257111523 is an apocalyptic number.

2257111523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257111523 is an equidigital number, since it uses as much as digits as its factorization.

2257111523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 2257111523 is about 47509.0677976321. The cubic root of 2257111523 is about 1311.7497979520.

The spelling of 2257111523 in words is "two billion, two hundred fifty-seven million, one hundred eleven thousand, five hundred twenty-three".