423102045 has 16 divisors (see below), whose sum is σ = 685121472. Its totient is φ = 222935040.

The previous prime is 423102023. The next prime is 423102049. The reversal of 423102045 is 540201324.

It is not a de Polignac number, because 423102045 - 2¹⁴ = 423085661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423102049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168676 + ... + 171165.

It is an arithmetic number, because the mean of its divisors is an integer number (42820092).

Almost surely, 2^423102045 is an apocalyptic number.

It is an amenable number.

423102045 is a deficient number, since it is larger than the sum of its proper divisors (262019427).

423102045 is a wasteful number, since it uses less digits than its factorization.

423102045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339932.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 423102045 is about 20569.4444504464. Note that the first 4 decimals coincide. The cubic root of 423102045 is about 750.7264339422.

Adding to 423102045 its reverse (540201324), we get a palindrome (963303369).

The spelling of 423102045 in words is "four hundred twenty-three million, one hundred two thousand, forty-five".