423701797 has 2 divisors, whose sum is σ = 423701798. Its totient is φ = 423701796.

The previous prime is 423701753. The next prime is 423701807. The reversal of 423701797 is 797107324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402162916 + 21538881 = 20054^2 + 4641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423701797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423711797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211850898 + 211850899.

It is an arithmetic number, because the mean of its divisors is an integer number (211850899).

Almost surely, 2^423701797 is an apocalyptic number.

It is an amenable number.

423701797 is a deficient number, since it is larger than the sum of its proper divisors (1).

423701797 is an equidigital number, since it uses as much as digits as its factorization.

423701797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 423701797 is about 20584.0179994092. The cubic root of 423701797 is about 751.0809875763.

The spelling of 423701797 in words is "four hundred twenty-three million, seven hundred one thousand, seven hundred ninety-seven".