40153343 has 2 divisors, whose sum is σ = 40153344. Its totient is φ = 40153342.

The previous prime is 40153297. The next prime is 40153363. The reversal of 40153343 is 34335104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40153343 is a prime.

It is a super-2 number, since 2×40153343² = 3224581908151298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40153363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076671 + 20076672.

It is an arithmetic number, because the mean of its divisors is an integer number (20076672).

Almost surely, 2^40153343 is an apocalyptic number.

40153343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153343 is an equidigital number, since it uses as much as digits as its factorization.

40153343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 40153343 is about 6336.6665526916. Note that the first 3 decimals coincide. The cubic root of 40153343 is about 342.4316534729.

Adding to 40153343 its reverse (34335104), we get a palindrome (74488447).

The spelling of 40153343 in words is "forty million, one hundred fifty-three thousand, three hundred forty-three".