423180761 has 2 divisors, whose sum is σ = 423180762. Its totient is φ = 423180760.

The previous prime is 423180739. The next prime is 423180767. The reversal of 423180761 is 167081324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231192025 + 191988736 = 15205^2 + 13856^2 .

It is a cyclic number.

It is not a de Polignac number, because 423180761 - 2²⁶ = 356071897 is a prime.

It is not a weakly prime, because it can be changed into another prime (423180767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211590380 + 211590381.

It is an arithmetic number, because the mean of its divisors is an integer number (211590381).

Almost surely, 2^423180761 is an apocalyptic number.

It is an amenable number.

423180761 is a deficient number, since it is larger than the sum of its proper divisors (1).

423180761 is an equidigital number, since it uses as much as digits as its factorization.

423180761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 423180761 is about 20571.3577821203. The cubic root of 423180761 is about 750.7729873434.

The spelling of 423180761 in words is "four hundred twenty-three million, one hundred eighty thousand, seven hundred sixty-one".