2523121223 has 16 divisors (see below), whose sum is σ = 2961102144. Its totient is φ = 2105256960.

The previous prime is 2523121219. The next prime is 2523121247. The reversal of 2523121223 is 3221213252.

2523121223 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 2523121223 - 2² = 2523121219 is a prime.

It is a super-2 number, since 2×2523121223² = 12732281411906031458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523121123) 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, 10961 + ... + 71877.

It is an arithmetic number, because the mean of its divisors is an integer number (185068884).

Almost surely, 2^2523121223 is an apocalyptic number.

2523121223 is a deficient number, since it is larger than the sum of its proper divisors (437980921).

2523121223 is an equidigital number, since it uses as much as digits as its factorization.

2523121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61082.

The product of its digits is 1440, while the sum is 23.

The square root of 2523121223 is about 50230.6800969288. The cubic root of 2523121223 is about 1361.3800191400.

Adding to 2523121223 its reverse (3221213252), we get a palindrome (5744334475).

The spelling of 2523121223 in words is "two billion, five hundred twenty-three million, one hundred twenty-one thousand, two hundred twenty-three".