478812023 has 2 divisors, whose sum is σ = 478812024. Its totient is φ = 478812022.

The previous prime is 478812007. The next prime is 478812029. The reversal of 478812023 is 320218874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478812023 - 2⁴ = 478812007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478812029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239406011 + 239406012.

It is an arithmetic number, because the mean of its divisors is an integer number (239406012).

Almost surely, 2^478812023 is an apocalyptic number.

478812023 is a deficient number, since it is larger than the sum of its proper divisors (1).

478812023 is an equidigital number, since it uses as much as digits as its factorization.

478812023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 478812023 is about 21881.7737626546. The cubic root of 478812023 is about 782.3270539542.

The spelling of 478812023 in words is "four hundred seventy-eight million, eight hundred twelve thousand, twenty-three".