20123101329 has 8 divisors (see below), whose sum is σ = 26833978080. Its totient is φ = 13413812736.

The previous prime is 20123101291. The next prime is 20123101337. The reversal of 20123101329 is 92310132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123101329 - 2¹⁵ = 20123068561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123101299 and 20123101308.

It is not an unprimeable number, because it can be changed into a prime (20123121329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 367152 + ... + 418385.

It is an arithmetic number, because the mean of its divisors is an integer number (3354247260).

Almost surely, 2^20123101329 is an apocalyptic number.

It is an amenable number.

20123101329 is a deficient number, since it is larger than the sum of its proper divisors (6710876751).

20123101329 is an equidigital number, since it uses as much as digits as its factorization.

20123101329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794079.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 20123101329 in words is "twenty billion, one hundred twenty-three million, one hundred one thousand, three hundred twenty-nine".