20123023211332 has 6 divisors (see below), whose sum is σ = 35215290619838. Its totient is φ = 10061511605664.

The previous prime is 20123023211327. The next prime is 20123023211419. The reversal of 20123023211332 is 23311232032102.

It can be written as a sum of positive squares in only one way, i.e., 19068819969796 + 1054203241536 = 4366786^2 + 1026744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20123023211297 and 20123023211306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515377901413 + ... + 2515377901420.

Almost surely, 2^{20123023211332} is an apocalyptic number.

It is an amenable number.

20123023211332 is a deficient number, since it is larger than the sum of its proper divisors (15092267408506).

20123023211332 is a wasteful number, since it uses less digits than its factorization.

20123023211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030755802837 (or 5030755802835 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20123023211332 its reverse (23311232032102), we get a palindrome (43434255243434).

The spelling of 20123023211332 in words is "twenty trillion, one hundred twenty-three billion, twenty-three million, two hundred eleven thousand, three hundred thirty-two".