23625540631501 has 4 divisors (see below), whose sum is σ = 23625777619132. Its totient is φ = 23625303643872.

The previous prime is 23625540631463. The next prime is 23625540631531. The reversal of 23625540631501 is 10513604552632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18673625047401 + 4951915584100 = 4321299^2 + 2225290^2 .

It is a cyclic number.

It is not a de Polignac number, because 23625540631501 - 2¹³ = 23625540623309 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 (23625540631531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118344216 + ... + 118543681.

It is an arithmetic number, because the mean of its divisors is an integer number (5906444404783).

Almost surely, 2^{23625540631501} is an apocalyptic number.

It is an amenable number.

23625540631501 is a deficient number, since it is larger than the sum of its proper divisors (236987631).

23625540631501 is an equidigital number, since it uses as much as digits as its factorization.

23625540631501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236987630.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 23625540631501 in words is "twenty-three trillion, six hundred twenty-five billion, five hundred forty million, six hundred thirty-one thousand, five hundred one".