6423057 has 20 divisors (see below), whose sum is σ = 9670320. Its totient is φ = 4248504.

The previous prime is 6423047. The next prime is 6423091. The reversal of 6423057 is 7503246.

It is a happy number.

It is not a de Polignac number, because 6423057 - 2⁶ = 6422993 is a prime.

It is a super-2 number, since 2×6423057² = 82511322450498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 6423057.

It is not an unprimeable number, because it can be changed into a prime (6423047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14278 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (483516).

Almost surely, 2^6423057 is an apocalyptic number.

It is an amenable number.

6423057 is a deficient number, since it is larger than the sum of its proper divisors (3247263).

6423057 is a wasteful number, since it uses less digits than its factorization.

6423057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6423057 is about 2534.3750709001. The cubic root of 6423057 is about 185.8862467825.

The spelling of 6423057 in words is "six million, four hundred twenty-three thousand, fifty-seven".