2500123203 has 6 divisors (see below), whose sum is σ = 3611289084. Its totient is φ = 1666748796.

The previous prime is 2500123183. The next prime is 2500123229. The reversal of 2500123203 is 3023210052.

It is not a de Polignac number, because 2500123203 - 2¹² = 2500119107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500123403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138895725 + ... + 138895742.

It is an arithmetic number, because the mean of its divisors is an integer number (601881514).

Almost surely, 2^2500123203 is an apocalyptic number.

2500123203 is a deficient number, since it is larger than the sum of its proper divisors (1111165881).

2500123203 is a wasteful number, since it uses less digits than its factorization.

2500123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277791473 (or 277791470 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2500123203 is about 50001.2320148214. The cubic root of 2500123203 is about 1357.2311028908.

Adding to 2500123203 its reverse (3023210052), we get a palindrome (5523333255).

The spelling of 2500123203 in words is "two billion, five hundred million, one hundred twenty-three thousand, two hundred three".