20123104324 has 12 divisors (see below), whose sum is σ = 35538510700. Its totient is φ = 9969244128.

The previous prime is 20123104303. The next prime is 20123104333. The reversal of 20123104324 is 42340132102.

It can be written as a sum of positive squares in 2 ways, for example, as 11863566400 + 8259537924 = 108920^2 + 90882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20123104295 and 20123104304.

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 3 ways as a sum of consecutive naturals, for example, 23076519 + ... + 23077390.

Almost surely, 2^20123104324 is an apocalyptic number.

It is an amenable number.

20123104324 is a deficient number, since it is larger than the sum of its proper divisors (15415406376).

20123104324 is a wasteful number, since it uses less digits than its factorization.

20123104324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46154022 (or 46154020 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20123104324 its reverse (42340132102), we get a palindrome (62463236426).

The spelling of 20123104324 in words is "twenty billion, one hundred twenty-three million, one hundred four thousand, three hundred twenty-four".