33213420423 has 24 divisors (see below), whose sum is σ = 48223813248. Its totient is φ = 22027713552.

The previous prime is 33213420413. The next prime is 33213420433. The reversal of 33213420423 is 32402431233.

33213420423 is a `hidden beast` number, since 3 + 3 + 213 + 4 + 20 + 423 = 666.

It is an interprime number because it is at equal distance from previous prime (33213420413) and next prime (33213420433).

It is not a de Polignac number, because 33213420423 - 2⁵ = 33213420391 is a prime.

It is a super-2 number, since 2×33213420423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213420413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1371486 + ... + 1395492.

It is an arithmetic number, because the mean of its divisors is an integer number (2009325552).

Almost surely, 2^33213420423 is an apocalyptic number.

33213420423 is a deficient number, since it is larger than the sum of its proper divisors (15010392825).

33213420423 is a wasteful number, since it uses less digits than its factorization.

33213420423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24803 (or 24800 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 33213420423 its reverse (32402431233), we get a palindrome (65615851656).

The spelling of 33213420423 in words is "thirty-three billion, two hundred thirteen million, four hundred twenty thousand, four hundred twenty-three".