423770023 has 4 divisors (see below), whose sum is σ = 424348888. Its totient is φ = 423191160.

The previous prime is 423769993. The next prime is 423770027. The reversal of 423770023 is 320077324.

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

It is a cyclic number.

It is not a de Polignac number, because 423770023 - 2¹³ = 423761831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423769973 and 423770000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423770027) 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, 288333 + ... + 289798.

It is an arithmetic number, because the mean of its divisors is an integer number (106087222).

Almost surely, 2^423770023 is an apocalyptic number.

423770023 is a deficient number, since it is larger than the sum of its proper divisors (578865).

423770023 is an equidigital number, since it uses as much as digits as its factorization.

423770023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578864.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 423770023 is about 20585.6751893155. The cubic root of 423770023 is about 751.1212993409.

The spelling of 423770023 in words is "four hundred twenty-three million, seven hundred seventy thousand, twenty-three".