423451155 has 16 divisors (see below), whose sum is σ = 677977344. Its totient is φ = 225688800.

The previous prime is 423451117. The next prime is 423451169. The reversal of 423451155 is 551154324.

It is not a de Polignac number, because 423451155 - 2¹³ = 423442963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15730 + ... + 33080.

It is an arithmetic number, because the mean of its divisors is an integer number (42373584).

Almost surely, 2^423451155 is an apocalyptic number.

423451155 is a deficient number, since it is larger than the sum of its proper divisors (254526189).

423451155 is a wasteful number, since it uses less digits than its factorization.

423451155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18986.

The product of its digits is 12000, while the sum is 30.

The square root of 423451155 is about 20577.9288316390. The cubic root of 423451155 is about 750.9328570005.

The spelling of 423451155 in words is "four hundred twenty-three million, four hundred fifty-one thousand, one hundred fifty-five".