23501013035231 has 4 divisors (see below), whose sum is σ = 23501893876464. Its totient is φ = 23500132194000.

The previous prime is 23501013035209. The next prime is 23501013035243. The reversal of 23501013035231 is 13253031010532.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23501013035231 - 2¹⁸ = 23501012773087 is a prime.

It is a super-2 number, since 2×23501013035231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23501013035194 and 23501013035203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23501013055231) 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, 440380595 + ... + 440433956.

It is an arithmetic number, because the mean of its divisors is an integer number (5875473469116).

Almost surely, 2^{23501013035231} is an apocalyptic number.

23501013035231 is a deficient number, since it is larger than the sum of its proper divisors (880841233).

23501013035231 is an equidigital number, since it uses as much as digits as its factorization.

23501013035231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880841232.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 23501013035231 its reverse (13253031010532), we get a palindrome (36754044045763).

The spelling of 23501013035231 in words is "twenty-three trillion, five hundred one billion, thirteen million, thirty-five thousand, two hundred thirty-one".