479137823 has 2 divisors, whose sum is σ = 479137824. Its totient is φ = 479137822.

The previous prime is 479137811. The next prime is 479137831. The reversal of 479137823 is 328731974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479137823 - 2⁴ = 479137807 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479137873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239568911 + 239568912.

It is an arithmetic number, because the mean of its divisors is an integer number (239568912).

Almost surely, 2^479137823 is an apocalyptic number.

479137823 is a deficient number, since it is larger than the sum of its proper divisors (1).

479137823 is an equidigital number, since it uses as much as digits as its factorization.

479137823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 479137823 is about 21889.2170485835. The cubic root of 479137823 is about 782.5044543769.

The spelling of 479137823 in words is "four hundred seventy-nine million, one hundred thirty-seven thousand, eight hundred twenty-three".