2023157 has 2 divisors, whose sum is σ = 2023158. Its totient is φ = 2023156.

The previous prime is 2023141. The next prime is 2023159. The reversal of 2023157 is 7513202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 148996 = 1369^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023157 - 2⁴ = 2023141 is a prime.

Together with 2023159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011578 + 1011579.

It is an arithmetic number, because the mean of its divisors is an integer number (1011579).

2^2023157 is an apocalyptic number.

It is an amenable number.

2023157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023157 is an equidigital number, since it uses as much as digits as its factorization.

2023157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2023157 is about 1422.3772354759. The cubic root of 2023157 is about 126.4765067528.

Adding to 2023157 its reverse (7513202), we get a palindrome (9536359).

The spelling of 2023157 in words is "two million, twenty-three thousand, one hundred fifty-seven".