23145243000525 has 36 divisors (see below), whose sum is σ = 41528559258420. Its totient is φ = 12322435104000.

The previous prime is 23145243000469. The next prime is 23145243000563. The reversal of 23145243000525 is 52500034254132.

It can be written as a sum of positive squares in 6 ways, for example, as 2972955299076 + 20172287701449 = 1724226^2 + 4491357^2 .

It is not a de Polignac number, because 23145243000525 - 2¹² = 23145242996429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23145243000525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90265426 + ... + 90521475.

Almost surely, 2^{23145243000525} is an apocalyptic number.

23145243000525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23145243000525 is a deficient number, since it is larger than the sum of its proper divisors (18383316257895).

23145243000525 is a wasteful number, since it uses less digits than its factorization.

23145243000525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180787486 (or 180787478 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 23145243000525 its reverse (52500034254132), we get a palindrome (75645277254657).

The spelling of 23145243000525 in words is "twenty-three trillion, one hundred forty-five billion, two hundred forty-three million, five hundred twenty-five", and thus it is an aban number.