43357423 has 2 divisors, whose sum is σ = 43357424. Its totient is φ = 43357422.

The previous prime is 43357421. The next prime is 43357427. The reversal of 43357423 is 32475334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43357423 - 2¹ = 43357421 is a prime.

It is a super-2 number, since 2×43357423² = 3759732258401858, which contains 22 as substring.

Together with 43357421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43357421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21678711 + 21678712.

It is an arithmetic number, because the mean of its divisors is an integer number (21678712).

Almost surely, 2^43357423 is an apocalyptic number.

43357423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43357423 is an equidigital number, since it uses as much as digits as its factorization.

43357423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 31.

The square root of 43357423 is about 6584.6353733521. The cubic root of 43357423 is about 351.3078227017.

The spelling of 43357423 in words is "forty-three million, three hundred fifty-seven thousand, four hundred twenty-three".