6455923 has 2 divisors, whose sum is σ = 6455924. Its totient is φ = 6455922.

The previous prime is 6455899. The next prime is 6455929. The reversal of 6455923 is 3295546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6455923 is a prime.

It is not a weakly prime, because it can be changed into another prime (6455929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227961 + 3227962.

It is an arithmetic number, because the mean of its divisors is an integer number (3227962).

Almost surely, 2^6455923 is an apocalyptic number.

6455923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455923 is an equidigital number, since it uses as much as digits as its factorization.

6455923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 6455923 is about 2540.8508417457. The cubic root of 6455923 is about 186.2027599664.

The spelling of 6455923 in words is "six million, four hundred fifty-five thousand, nine hundred twenty-three".