1252500520423 has 16 divisors (see below), whose sum is σ = 1281960108000. Its totient is φ = 1223258924160.

The previous prime is 1252500520387. The next prime is 1252500520433. The reversal of 1252500520423 is 3240250052521.

It is a cyclic number.

It is not a de Polignac number, because 1252500520423 - 2¹³ = 1252500512231 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 (1252500520433) 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, 107054628 + ... + 107066326.

It is an arithmetic number, because the mean of its divisors is an integer number (80122506750).

Almost surely, 2^{1252500520423} is an apocalyptic number.

1252500520423 is a deficient number, since it is larger than the sum of its proper divisors (29459587577).

1252500520423 is a wasteful number, since it uses less digits than its factorization.

1252500520423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20802.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 1252500520423 its reverse (3240250052521), we get a palindrome (4492750572944).

The spelling of 1252500520423 in words is "one trillion, two hundred fifty-two billion, five hundred million, five hundred twenty thousand, four hundred twenty-three".