25123452103 has 8 divisors (see below), whose sum is σ = 25804580048. Its totient is φ = 24442435584.

The previous prime is 25123452059. The next prime is 25123452119. The reversal of 25123452103 is 30125432152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25123452103 - 2¹⁷ = 25123321031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25123450103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648775 + ... + 686407.

It is an arithmetic number, because the mean of its divisors is an integer number (3225572506).

Almost surely, 2^25123452103 is an apocalyptic number.

25123452103 is a deficient number, since it is larger than the sum of its proper divisors (681127945).

25123452103 is a wasteful number, since it uses less digits than its factorization.

25123452103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55713.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 25123452103 its reverse (30125432152), we get a palindrome (55248884255).

The spelling of 25123452103 in words is "twenty-five billion, one hundred twenty-three million, four hundred fifty-two thousand, one hundred three".