23231352511 has 4 divisors (see below), whose sum is σ = 23231692800. Its totient is φ = 23231012224.

The previous prime is 23231352503. The next prime is 23231352517. The reversal of 23231352511 is 11525313232.

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 23231352511 - 2³ = 23231352503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23231352511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231352517) 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, 28351 + ... + 217408.

It is an arithmetic number, because the mean of its divisors is an integer number (5807923200).

Almost surely, 2^23231352511 is an apocalyptic number.

23231352511 is a deficient number, since it is larger than the sum of its proper divisors (340289).

23231352511 is an equidigital number, since it uses as much as digits as its factorization.

23231352511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340288.

The product of its digits is 5400, while the sum is 28.

Adding to 23231352511 its reverse (11525313232), we get a palindrome (34756665743).

The spelling of 23231352511 in words is "twenty-three billion, two hundred thirty-one million, three hundred fifty-two thousand, five hundred eleven".