6423437155 has 8 divisors (see below), whose sum is σ = 7709641200. Its totient is φ = 5137738656.

The previous prime is 6423437123. The next prime is 6423437191. The reversal of 6423437155 is 5517343246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6423437155 - 2⁵ = 6423437123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97845 + ... + 149734.

It is an arithmetic number, because the mean of its divisors is an integer number (963705150).

Almost surely, 2^6423437155 is an apocalyptic number.

6423437155 is a deficient number, since it is larger than the sum of its proper divisors (1286204045).

6423437155 is a wasteful number, since it uses less digits than its factorization.

6423437155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252773.

The product of its digits is 302400, while the sum is 40.

The square root of 6423437155 is about 80146.3483572396. The cubic root of 6423437155 is about 1858.8991399750.

The spelling of 6423437155 in words is "six billion, four hundred twenty-three million, four hundred thirty-seven thousand, one hundred fifty-five".