2500305123 has 8 divisors (see below), whose sum is σ = 3345605136. Its totient is φ = 1660937600.

The previous prime is 2500305103. The next prime is 2500305131. The reversal of 2500305123 is 3215030052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2500305123 - 2¹⁰ = 2500304099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500305123.

It is not an unprimeable number, because it can be changed into a prime (2500305103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482138 + ... + 1483823.

It is an arithmetic number, because the mean of its divisors is an integer number (418200642).

Almost surely, 2^2500305123 is an apocalyptic number.

2500305123 is a deficient number, since it is larger than the sum of its proper divisors (845300013).

2500305123 is a wasteful number, since it uses less digits than its factorization.

2500305123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966245.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2500305123 is about 50003.0511369056. The cubic root of 2500305123 is about 1357.2640214677.

Adding to 2500305123 its reverse (3215030052), we get a palindrome (5715335175).

The spelling of 2500305123 in words is "two billion, five hundred million, three hundred five thousand, one hundred twenty-three".