423102155 has 16 divisors (see below), whose sum is σ = 593750784. Its totient is φ = 283379040.

The previous prime is 423102143. The next prime is 423102179. The reversal of 423102155 is 551201324.

It is not a de Polignac number, because 423102155 - 2⁶ = 423102091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423102155.

It is an unprimeable number.

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, 139061 + ... + 142070.

It is an arithmetic number, because the mean of its divisors is an integer number (37109424).

Almost surely, 2^423102155 is an apocalyptic number.

423102155 is a deficient number, since it is larger than the sum of its proper divisors (170648629).

423102155 is a wasteful number, since it uses less digits than its factorization.

423102155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281186.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 423102155 is about 20569.4471243152. The cubic root of 423102155 is about 750.7264990013.

Adding to 423102155 its reverse (551201324), we get a palindrome (974303479).

The spelling of 423102155 in words is "four hundred twenty-three million, one hundred two thousand, one hundred fifty-five".