23125435601 has 4 divisors (see below), whose sum is σ = 23750447412. Its totient is φ = 22500423792.

The previous prime is 23125435549. The next prime is 23125435621. The reversal of 23125435601 is 10653452132.

It is a happy number.

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 21323008576 + 1802427025 = 146024^2 + 42455^2 .

It is a cyclic number.

It is not a de Polignac number, because 23125435601 - 2³⁰ = 22051693777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23125435621) 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, 312505850 + ... + 312505923.

It is an arithmetic number, because the mean of its divisors is an integer number (5937611853).

Almost surely, 2^23125435601 is an apocalyptic number.

It is an amenable number.

23125435601 is a deficient number, since it is larger than the sum of its proper divisors (625011811).

23125435601 is an equidigital number, since it uses as much as digits as its factorization.

23125435601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625011810.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 23125435601 its reverse (10653452132), we get a palindrome (33778887733).

The spelling of 23125435601 in words is "twenty-three billion, one hundred twenty-five million, four hundred thirty-five thousand, six hundred one".