2623121202425 has 24 divisors (see below), whose sum is σ = 3306445652952. Its totient is φ = 2063812608000.

The previous prime is 2623121202391. The next prime is 2623121202437. The reversal of 2623121202425 is 5242021213262.

It can be written as a sum of positive squares in 12 ways, for example, as 1209742613689 + 1413378588736 = 1099883^2 + 1188856^2 .

It is not a de Polignac number, because 2623121202425 - 2⁴⁰ = 1523609574649 is a prime.

It is a super-2 number, since 2×2623121202425² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2623121202391 and 2623121202400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11385977 + ... + 11614073.

It is an arithmetic number, because the mean of its divisors is an integer number (137768568873).

Almost surely, 2^{2623121202425} is an apocalyptic number.

2623121202425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2623121202425 is a deficient number, since it is larger than the sum of its proper divisors (683324450527).

2623121202425 is a wasteful number, since it uses less digits than its factorization.

2623121202425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235709 (or 235704 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 2623121202425 its reverse (5242021213262), we get a palindrome (7865142415687).

The spelling of 2623121202425 in words is "two trillion, six hundred twenty-three billion, one hundred twenty-one million, two hundred two thousand, four hundred twenty-five".