2315123 has 2 divisors, whose sum is σ = 2315124. Its totient is φ = 2315122.

The previous prime is 2315113. The next prime is 2315129. The reversal of 2315123 is 3215132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2315123 - 2⁴ = 2315107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2315129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157561 + 1157562.

It is an arithmetic number, because the mean of its divisors is an integer number (1157562).

2^2315123 is an apocalyptic number.

2315123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315123 is an equidigital number, since it uses as much as digits as its factorization.

2315123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 17.

The square root of 2315123 is about 1521.5528252414. The cubic root of 2315123 is about 132.2892912987.

Subtracting 2315123 from its reverse (3215132), we obtain a palindrome (900009).

The spelling of 2315123 in words is "two million, three hundred fifteen thousand, one hundred twenty-three".