423931153927 has 2 divisors, whose sum is σ = 423931153928. Its totient is φ = 423931153926.

The previous prime is 423931153859. The next prime is 423931153939. The reversal of 423931153927 is 729351139324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423931153927 - 2¹¹ = 423931151879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423931153957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211965576963 + 211965576964.

It is an arithmetic number, because the mean of its divisors is an integer number (211965576964).

Almost surely, 2^423931153927 is an apocalyptic number.

423931153927 is a deficient number, since it is larger than the sum of its proper divisors (1).

423931153927 is an equidigital number, since it uses as much as digits as its factorization.

423931153927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 49.

The spelling of 423931153927 in words is "four hundred twenty-three billion, nine hundred thirty-one million, one hundred fifty-three thousand, nine hundred twenty-seven".