418478023 has 2 divisors, whose sum is σ = 418478024. Its totient is φ = 418478022.

The previous prime is 418478017. The next prime is 418478051. The reversal of 418478023 is 320874814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418478023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418473023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209239011 + 209239012.

It is an arithmetic number, because the mean of its divisors is an integer number (209239012).

Almost surely, 2^418478023 is an apocalyptic number.

418478023 is a deficient number, since it is larger than the sum of its proper divisors (1).

418478023 is an equidigital number, since it uses as much as digits as its factorization.

418478023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 418478023 is about 20456.7353944856. The cubic root of 418478023 is about 747.9815492746.

The spelling of 418478023 in words is "four hundred eighteen million, four hundred seventy-eight thousand, twenty-three".