23123321310 has 32 divisors (see below), whose sum is σ = 56995864992. Its totient is φ = 5999564160.

The previous prime is 23123321269. The next prime is 23123321329. The reversal of 23123321310 is 1312332132.

It is a super-2 number, since 2×23123321310² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 10414801 + ... + 10417020.

It is an arithmetic number, because the mean of its divisors is an integer number (1781120781).

Almost surely, 2^23123321310 is an apocalyptic number.

23123321310 is an abundant number, since it is smaller than the sum of its proper divisors (33872543682).

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

23123321310 is a wasteful number, since it uses less digits than its factorization.

23123321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831868.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23123321310 its reverse (1312332132), we get a palindrome (24435653442).

The spelling of 23123321310 in words is "twenty-three billion, one hundred twenty-three million, three hundred twenty-one thousand, three hundred ten".