23112310521 has 8 divisors (see below), whose sum is σ = 30915503424. Its totient is φ = 15358662320.

The previous prime is 23112310511. The next prime is 23112310537. The reversal of 23112310521 is 12501321132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23112310521 - 2¹¹ = 23112308473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23112310511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12385086 + ... + 12386951.

It is an arithmetic number, because the mean of its divisors is an integer number (3864437928).

Almost surely, 2^23112310521 is an apocalyptic number.

It is an amenable number.

23112310521 is a deficient number, since it is larger than the sum of its proper divisors (7803192903).

23112310521 is a wasteful number, since it uses less digits than its factorization.

23112310521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24772351.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 23112310521 its reverse (12501321132), we get a palindrome (35613631653).

The spelling of 23112310521 in words is "twenty-three billion, one hundred twelve million, three hundred ten thousand, five hundred twenty-one".