23112032621 has 8 divisors (see below), whose sum is σ = 23174520600. Its totient is φ = 23049599040.

The previous prime is 23112032617. The next prime is 23112032681. The reversal of 23112032621 is 12623021132.

It can be written as a sum of positive squares in 4 ways, for example, as 10468154596 + 12643878025 = 102314^2 + 112445^2 .

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 23112032621 - 2² = 23112032617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112032681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923015 + ... + 947723.

It is an arithmetic number, because the mean of its divisors is an integer number (2896815075).

Almost surely, 2^23112032621 is an apocalyptic number.

It is an amenable number.

23112032621 is a deficient number, since it is larger than the sum of its proper divisors (62487979).

23112032621 is a wasteful number, since it uses less digits than its factorization.

23112032621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27199.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23112032621 its reverse (12623021132), we get a palindrome (35735053753).

The spelling of 23112032621 in words is "twenty-three billion, one hundred twelve million, thirty-two thousand, six hundred twenty-one".