2555523123 has 32 divisors (see below), whose sum is σ = 3871756800. Its totient is φ = 1490582016.

The previous prime is 2555523121. The next prime is 2555523149. The reversal of 2555523123 is 3213255552.

It is not a de Polignac number, because 2555523123 - 2¹ = 2555523121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555523121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4411 + ... + 71627.

It is an arithmetic number, because the mean of its divisors is an integer number (120992400).

Almost surely, 2^2555523123 is an apocalyptic number.

2555523123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2555523123 is a deficient number, since it is larger than the sum of its proper divisors (1316233677).

2555523123 is a wasteful number, since it uses less digits than its factorization.

2555523123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67291.

The product of its digits is 45000, while the sum is 33.

The square root of 2555523123 is about 50552.1821784184. The cubic root of 2555523123 is about 1367.1828595460.

Adding to 2555523123 its reverse (3213255552), we get a palindrome (5768778675).

The spelling of 2555523123 in words is "two billion, five hundred fifty-five million, five hundred twenty-three thousand, one hundred twenty-three".