43220423133 has 12 divisors (see below), whose sum is σ = 62435868768. Its totient is φ = 28810676040.

The previous prime is 43220423123. The next prime is 43220423153. The reversal of 43220423133 is 33132402234.

43220423133 is a `hidden beast` number, since 4 + 3 + 220 + 423 + 13 + 3 = 666.

It is not a de Polignac number, because 43220423133 - 2²¹ = 43218325981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43220423097 and 43220423106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43220423123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149883 + ... + 330008.

It is an arithmetic number, because the mean of its divisors is an integer number (5202989064).

Almost surely, 2^43220423133 is an apocalyptic number.

It is an amenable number.

43220423133 is a deficient number, since it is larger than the sum of its proper divisors (19215445635).

43220423133 is a wasteful number, since it uses less digits than its factorization.

43220423133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489904 (or 489901 counting only the distinct ones).

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

Adding to 43220423133 its reverse (33132402234), we get a palindrome (76352825367).

The spelling of 43220423133 in words is "forty-three billion, two hundred twenty million, four hundred twenty-three thousand, one hundred thirty-three".