20045153323 has 8 divisors (see below), whose sum is σ = 21588906528. Its totient is φ = 18501659904.

The previous prime is 20045153309. The next prime is 20045153327. The reversal of 20045153323 is 32335154002.

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

It is not a de Polignac number, because 20045153323 - 2⁵ = 20045153291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20045153291 and 20045153300.

It is not an unprimeable number, because it can be changed into a prime (20045153327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113490 + ... + 230152.

It is an arithmetic number, because the mean of its divisors is an integer number (2698613316).

Almost surely, 2^20045153323 is an apocalyptic number.

20045153323 is a deficient number, since it is larger than the sum of its proper divisors (1543753205).

20045153323 is a wasteful number, since it uses less digits than its factorization.

20045153323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129893.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 20045153323 in words is "twenty billion, forty-five million, one hundred fifty-three thousand, three hundred twenty-three".