21472733333023 has 16 divisors (see below), whose sum is σ = 24629437800000. Its totient is φ = 18338324772096.

The previous prime is 21472733332993. The next prime is 21472733333041. The reversal of 21472733333023 is 32033333727412.

It is not a de Polignac number, because 21472733333023 - 2²¹ = 21472731235871 is a prime.

It is a super-2 number, since 2×21472733333023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21472733333423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104007603 + ... + 104213851.

It is an arithmetic number, because the mean of its divisors is an integer number (1539339862500).

Almost surely, 2^{21472733333023} is an apocalyptic number.

21472733333023 is a deficient number, since it is larger than the sum of its proper divisors (3156704466977).

21472733333023 is a wasteful number, since it uses less digits than its factorization.

21472733333023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260226.

The product of its (nonzero) digits is 1143072, while the sum is 43.

The spelling of 21472733333023 in words is "twenty-one trillion, four hundred seventy-two billion, seven hundred thirty-three million, three hundred thirty-three thousand, twenty-three".