406023743 has 4 divisors (see below), whose sum is σ = 406103808. Its totient is φ = 405943680.

The previous prime is 406023689. The next prime is 406023773. The reversal of 406023743 is 347320604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406023743 - 2⁶ = 406023679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406023773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31871 + ... + 42752.

It is an arithmetic number, because the mean of its divisors is an integer number (101525952).

Almost surely, 2^406023743 is an apocalyptic number.

406023743 is a deficient number, since it is larger than the sum of its proper divisors (80065).

406023743 is an equidigital number, since it uses as much as digits as its factorization.

406023743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80064.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 406023743 is about 20150.0308436489. The cubic root of 406023743 is about 740.4864971126.

The spelling of 406023743 in words is "four hundred six million, twenty-three thousand, seven hundred forty-three".