133400023224 has 32 divisors (see below), whose sum is σ = 359153909520. Its totient is φ = 41046160896.

The previous prime is 133400023219. The next prime is 133400023259. The reversal of 133400023224 is 422320004331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 133400023194 and 133400023203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213781777 + ... + 213782400.

Almost surely, 2^133400023224 is an apocalyptic number.

It is an amenable number.

133400023224 is an abundant number, since it is smaller than the sum of its proper divisors (225753886296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133400023224 is a wasteful number, since it uses less digits than its factorization.

133400023224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427564199 (or 427564195 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 133400023224 its reverse (422320004331), we get a palindrome (555720027555).

The spelling of 133400023224 in words is "one hundred thirty-three billion, four hundred million, twenty-three thousand, two hundred twenty-four".