23121402532352 has 40 divisors (see below), whose sum is σ = 47687892755712. Its totient is φ = 11187775411200.

The previous prime is 23121402532273. The next prime is 23121402532363. The reversal of 23121402532352 is 25323520412132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728354924 + ... + 728386667.

Almost surely, 2^{23121402532352} is an apocalyptic number.

It is an amenable number.

23121402532352 is an abundant number, since it is smaller than the sum of its proper divisors (24566490223360).

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

23121402532352 is an equidigital number, since it uses as much as digits as its factorization.

23121402532352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456741640 (or 1456741624 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 23121402532352 its reverse (25323520412132), we get a palindrome (48444922944484).

The spelling of 23121402532352 in words is "twenty-three trillion, one hundred twenty-one billion, four hundred two million, five hundred thirty-two thousand, three hundred fifty-two".