423364145 has 4 divisors (see below), whose sum is σ = 508036980. Its totient is φ = 338691312.

The previous prime is 423364133. The next prime is 423364147. The reversal of 423364145 is 541463324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122965921 + 300398224 = 11089^2 + 17332^2 .

It is a cyclic number.

It is not a de Polignac number, because 423364145 - 2¹⁴ = 423347761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423364147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42336410 + ... + 42336419.

It is an arithmetic number, because the mean of its divisors is an integer number (127009245).

Almost surely, 2^423364145 is an apocalyptic number.

It is an amenable number.

423364145 is a deficient number, since it is larger than the sum of its proper divisors (84672835).

423364145 is an equidigital number, since it uses as much as digits as its factorization.

423364145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84672834.

The product of its digits is 34560, while the sum is 32.

The square root of 423364145 is about 20575.8145646776. The cubic root of 423364145 is about 750.8814200222.

The spelling of 423364145 in words is "four hundred twenty-three million, three hundred sixty-four thousand, one hundred forty-five".