2453123531 has 4 divisors (see below), whose sum is σ = 2453638032. Its totient is φ = 2452609032.

The previous prime is 2453123503. The next prime is 2453123551. The reversal of 2453123531 is 1353213542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1353213542 = 2 ⋅676606771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2453123531 is a prime.

It is a super-2 number, since 2×2453123531² = 12035630116691815922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2453123494 and 2453123503.

It is not an unprimeable number, because it can be changed into a prime (2453123551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250031 + ... + 259656.

It is an arithmetic number, because the mean of its divisors is an integer number (613409508).

Almost surely, 2^2453123531 is an apocalyptic number.

2453123531 is a deficient number, since it is larger than the sum of its proper divisors (514501).

2453123531 is an equidigital number, since it uses as much as digits as its factorization.

2453123531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514500.

The product of its digits is 10800, while the sum is 29.

The square root of 2453123531 is about 49529.0170607090. The cubic root of 2453123531 is about 1348.6724088197.

The spelling of 2453123531 in words is "two billion, four hundred fifty-three million, one hundred twenty-three thousand, five hundred thirty-one".