2543123036 has 24 divisors (see below), whose sum is σ = 4535842080. Its totient is φ = 1247400000.

The previous prime is 2543123027. The next prime is 2543123053. The reversal of 2543123036 is 6303213452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15161 + ... + 72911.

It is an arithmetic number, because the mean of its divisors is an integer number (188993420).

Almost surely, 2^2543123036 is an apocalyptic number.

It is an amenable number.

2543123036 is a deficient number, since it is larger than the sum of its proper divisors (1992719044).

2543123036 is a wasteful number, since it uses less digits than its factorization.

2543123036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57965 (or 57963 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 2543123036 is about 50429.3866312094. The cubic root of 2543123036 is about 1364.9679599970.

Adding to 2543123036 its reverse (6303213452), we get a palindrome (8846336488).

The spelling of 2543123036 in words is "two billion, five hundred forty-three million, one hundred twenty-three thousand, thirty-six".