2543101123 has 2 divisors, whose sum is σ = 2543101124. Its totient is φ = 2543101122.

The previous prime is 2543101097. The next prime is 2543101129. The reversal of 2543101123 is 3211013452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543101123 - 2⁵ = 2543101091 is a prime.

It is a super-2 number, since 2×2543101123² = 12934726643607722258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2543101094 and 2543101103.

It is not a weakly prime, because it can be changed into another prime (2543101129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271550561 + 1271550562.

It is an arithmetic number, because the mean of its divisors is an integer number (1271550562).

Almost surely, 2^2543101123 is an apocalyptic number.

2543101123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543101123 is an equidigital number, since it uses as much as digits as its factorization.

2543101123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2543101123 is about 50429.1693665482. The cubic root of 2543101123 is about 1364.9640395380.

Adding to 2543101123 its reverse (3211013452), we get a palindrome (5754114575).

The spelling of 2543101123 in words is "two billion, five hundred forty-three million, one hundred one thousand, one hundred twenty-three".