20123100233032 has 8 divisors (see below), whose sum is σ = 37730812936950. Its totient is φ = 10061550116512.

The previous prime is 20123100233029. The next prime is 20123100233063. The reversal of 20123100233032 is 23033200132102.

It can be written as a sum of positive squares in only one way, i.e., 13373839164676 + 6749261068356 = 3657026^2 + 2597934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20123100232994 and 20123100233012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257693764557 + ... + 1257693764572.

Almost surely, 2^{20123100233032} is an apocalyptic number.

It is an amenable number.

20123100233032 is a deficient number, since it is larger than the sum of its proper divisors (17607712703918).

20123100233032 is a wasteful number, since it uses less digits than its factorization.

20123100233032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515387529135 (or 2515387529131 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20123100233032 its reverse (23033200132102), we get a palindrome (43156300365134).

The spelling of 20123100233032 in words is "twenty trillion, one hundred twenty-three billion, one hundred million, two hundred thirty-three thousand, thirty-two".