40133223 has 12 divisors (see below), whose sum is σ = 62429640. Its totient is φ = 24697296.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133223 is 32233104.

It is not a de Polignac number, because 40133223 - 2¹³ = 40125031 is a prime.

It is a super-2 number, since 2×40133223² = 3221351176735458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40133196 and 40133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133227) 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, 171393 + ... + 171626.

It is an arithmetic number, because the mean of its divisors is an integer number (5202470).

Almost surely, 2^40133223 is an apocalyptic number.

40133223 is a deficient number, since it is larger than the sum of its proper divisors (22296417).

40133223 is a wasteful number, since it uses less digits than its factorization.

40133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343038 (or 343035 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40133223 is about 6335.0787682554. The cubic root of 40133223 is about 342.3744488050.

Adding to 40133223 its reverse (32233104), we get a palindrome (72366327).

The spelling of 40133223 in words is "forty million, one hundred thirty-three thousand, two hundred twenty-three".