23121001332310 has 32 divisors (see below), whose sum is σ = 47608980756480. Its totient is φ = 7919570787552.

The previous prime is 23121001332281. The next prime is 23121001332313. The reversal of 23121001332310 is 1323310012132.

It is a super-2 number, since 2×23121001332310² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121001332313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158878194 + ... + 159023653.

It is an arithmetic number, because the mean of its divisors is an integer number (1487780648640).

Almost surely, 2^{23121001332310} is an apocalyptic number.

23121001332310 is an abundant number, since it is smaller than the sum of its proper divisors (24487979424170).

23121001332310 is a wasteful number, since it uses less digits than its factorization.

23121001332310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317902900.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23121001332310 its reverse (1323310012132), we get a palindrome (24444311344442).

The spelling of 23121001332310 in words is "twenty-three trillion, one hundred twenty-one billion, one million, three hundred thirty-two thousand, three hundred ten".