20323653234 has 16 divisors (see below), whose sum is σ = 40817381760. Its totient is φ = 6746205200.

The previous prime is 20323653211. The next prime is 20323653253. The reversal of 20323653234 is 43235632302.

It is a junction number, because it is equal to n+sod(n) for n = 20323653195 and 20323653204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084917 + ... + 7087784.

It is an arithmetic number, because the mean of its divisors is an integer number (2551086360).

Almost surely, 2^20323653234 is an apocalyptic number.

20323653234 is an abundant number, since it is smaller than the sum of its proper divisors (20493728526).

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

20323653234 is a wasteful number, since it uses less digits than its factorization.

20323653234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172945.

The product of its (nonzero) digits is 77760, while the sum is 33.

The spelling of 20323653234 in words is "twenty billion, three hundred twenty-three million, six hundred fifty-three thousand, two hundred thirty-four".