578272423 has 2 divisors, whose sum is σ = 578272424. Its totient is φ = 578272422.

The previous prime is 578272411. The next prime is 578272447. The reversal of 578272423 is 324272875.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578272423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578272483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289136211 + 289136212.

It is an arithmetic number, because the mean of its divisors is an integer number (289136212).

Almost surely, 2^578272423 is an apocalyptic number.

578272423 is a deficient number, since it is larger than the sum of its proper divisors (1).

578272423 is an equidigital number, since it uses as much as digits as its factorization.

578272423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 578272423 is about 24047.2955444058. The cubic root of 578272423 is about 833.1262671481.

The spelling of 578272423 in words is "five hundred seventy-eight million, two hundred seventy-two thousand, four hundred twenty-three".