20472333423 has 8 divisors (see below), whose sum is σ = 27299923200. Its totient is φ = 13646482968.

The previous prime is 20472333421. The next prime is 20472333481. The reversal of 20472333423 is 32433327402.

It is a happy number.

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

It is not a de Polignac number, because 20472333423 - 2¹ = 20472333421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20472333421) 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, 407113 + ... + 454626.

It is an arithmetic number, because the mean of its divisors is an integer number (3412490400).

Almost surely, 2^20472333423 is an apocalyptic number.

20472333423 is a deficient number, since it is larger than the sum of its proper divisors (6827589777).

20472333423 is an equidigital number, since it uses as much as digits as its factorization.

20472333423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869661.

The product of its (nonzero) digits is 72576, while the sum is 33.

The spelling of 20472333423 in words is "twenty billion, four hundred seventy-two million, three hundred thirty-three thousand, four hundred twenty-three".