23121432030 has 16 divisors (see below), whose sum is σ = 55491436944. Its totient is φ = 6165715200.

The previous prime is 23121432017. The next prime is 23121432071. The reversal of 23121432030 is 3023412132.

It is a junction number, because it is equal to n+sod(n) for n = 23121431988 and 23121432006.

It is a congruent number.

It is an unprimeable number.

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, 385357171 + ... + 385357230.

It is an arithmetic number, because the mean of its divisors is an integer number (3468214809).

Almost surely, 2^23121432030 is an apocalyptic number.

23121432030 is an abundant number, since it is smaller than the sum of its proper divisors (32370004914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23121432030 is a wasteful number, since it uses less digits than its factorization.

23121432030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770714411.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23121432030 its reverse (3023412132), we get a palindrome (26144844162).

The spelling of 23121432030 in words is "twenty-three billion, one hundred twenty-one million, four hundred thirty-two thousand, thirty".