423624727 has 2 divisors, whose sum is σ = 423624728. Its totient is φ = 423624726.

The previous prime is 423624673. The next prime is 423624743. The reversal of 423624727 is 727426324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423624727 - 2⁷ = 423624599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423627727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211812363 + 211812364.

It is an arithmetic number, because the mean of its divisors is an integer number (211812364).

Almost surely, 2^423624727 is an apocalyptic number.

423624727 is a deficient number, since it is larger than the sum of its proper divisors (1).

423624727 is an equidigital number, since it uses as much as digits as its factorization.

423624727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 37.

The square root of 423624727 is about 20582.1458307923. The cubic root of 423624727 is about 751.0354450727.

It can be divided in two parts, 42362 and 4727, that added together give a square (47089 = 217²).

The spelling of 423624727 in words is "four hundred twenty-three million, six hundred twenty-four thousand, seven hundred twenty-seven".