21470403323 has 8 divisors (see below), whose sum is σ = 21541119600. Its totient is φ = 21399792480.

The previous prime is 21470403301. The next prime is 21470403341. The reversal of 21470403323 is 32330407412.

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

It is a cyclic number.

It is not a de Polignac number, because 21470403323 - 2⁶ = 21470403259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21470400323) 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, 392453 + ... + 443801.

It is an arithmetic number, because the mean of its divisors is an integer number (2692639950).

Almost surely, 2^21470403323 is an apocalyptic number.

21470403323 is a deficient number, since it is larger than the sum of its proper divisors (70716277).

21470403323 is an equidigital number, since it uses as much as digits as its factorization.

21470403323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52717.

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 21470403323 in words is "twenty-one billion, four hundred seventy million, four hundred three thousand, three hundred twenty-three".