423761306 has 12 divisors (see below), whose sum is σ = 649460778. Its totient is φ = 207370392.

The previous prime is 423761263. The next prime is 423761419. The reversal of 423761306 is 603167324.

It can be written as a sum of positive squares in only one way, i.e., 348158281 + 75603025 = 18659^2 + 8695^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43541 + ... + 52376.

Almost surely, 2^423761306 is an apocalyptic number.

423761306 is a deficient number, since it is larger than the sum of its proper divisors (225699472).

423761306 is an equidigital number, since it uses as much as digits as its factorization.

423761306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96013 (or 95966 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 423761306 is about 20585.4634633277. The cubic root of 423761306 is about 751.1161490873.

The spelling of 423761306 in words is "four hundred twenty-three million, seven hundred sixty-one thousand, three hundred six".