20123132323310 has 32 divisors (see below), whose sum is σ = 36244827354240. Its totient is φ = 8044100352288.

The previous prime is 20123132323267. The next prime is 20123132323331. The reversal of 20123132323310 is 1332323132102.

It is a super-2 number, since 2×20123132323310² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20123132323310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478611149 + ... + 478653191.

It is an arithmetic number, because the mean of its divisors is an integer number (1132650854820).

Almost surely, 2^{20123132323310} is an apocalyptic number.

20123132323310 is a deficient number, since it is larger than the sum of its proper divisors (16121695030930).

20123132323310 is a wasteful number, since it uses less digits than its factorization.

20123132323310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71552.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20123132323310 its reverse (1332323132102), we get a palindrome (21455455455412).

The spelling of 20123132323310 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred twenty-three thousand, three hundred ten".