6423387043 has 4 divisors (see below), whose sum is σ = 6485750128. Its totient is φ = 6361023960.

The previous prime is 6423387041. The next prime is 6423387067. The reversal of 6423387043 is 3407833246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3407833246 = 2 ⋅1703916623.

It is a cyclic number.

It is not a de Polignac number, because 6423387043 - 2¹ = 6423387041 is a prime.

It is a super-2 number, since 2×6423387043² = 82519802208360567698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6423386987 and 6423387005.

It is not an unprimeable number, because it can be changed into a prime (6423387041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31181388 + ... + 31181593.

It is an arithmetic number, because the mean of its divisors is an integer number (1621437532).

Almost surely, 2^6423387043 is an apocalyptic number.

6423387043 is a deficient number, since it is larger than the sum of its proper divisors (62363085).

6423387043 is a wasteful number, since it uses less digits than its factorization.

6423387043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62363084.

The product of its (nonzero) digits is 290304, while the sum is 40.

The square root of 6423387043 is about 80146.0357285374. The cubic root of 6423387043 is about 1858.8943059381.

The spelling of 6423387043 in words is "six billion, four hundred twenty-three million, three hundred eighty-seven thousand, forty-three".