2506542123 has 16 divisors (see below), whose sum is σ = 3462854400. Its totient is φ = 1610814240.

The previous prime is 2506542121. The next prime is 2506542151. The reversal of 2506542123 is 3212456052.

2506542123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2506542123 - 2¹ = 2506542121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506542121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32068 + ... + 77726.

It is an arithmetic number, because the mean of its divisors is an integer number (216428400).

Almost surely, 2^2506542123 is an apocalyptic number.

2506542123 is a deficient number, since it is larger than the sum of its proper divisors (956312277).

2506542123 is a wasteful number, since it uses less digits than its factorization.

2506542123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46322.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2506542123 is about 50065.3784865350. The cubic root of 2506542123 is about 1358.3916473876.

Adding to 2506542123 its reverse (3212456052), we get a palindrome (5718998175).

The spelling of 2506542123 in words is "two billion, five hundred six million, five hundred forty-two thousand, one hundred twenty-three".