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40453423 is a prime number
BaseRepresentation
bin1001101001010…
…0010100101111
32211010020122221
42122110110233
540324002143
64003020211
71000564003
oct232242457
984106587
1040453423
112092028a
121166a667
1384c504a
145530703
1538412ed
hex269452f

40453423 has 2 divisors, whose sum is σ = 40453424. Its totient is φ = 40453422.

The previous prime is 40453403. The next prime is 40453433. The reversal of 40453423 is 32435404.

40453423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40453423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40453403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226711 + 20226712.

It is an arithmetic number, because the mean of its divisors is an integer number (20226712).

Almost surely, 240453423 is an apocalyptic number.

40453423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40453423 is an equidigital number, since it uses as much as digits as its factorization.

40453423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 40453423 is about 6360.3005432133. The cubic root of 40453423 is about 343.2825744758.

Adding to 40453423 its reverse (32435404), we get a palindrome (72888827).

The spelling of 40453423 in words is "forty million, four hundred fifty-three thousand, four hundred twenty-three".