423551355 has 32 divisors (see below), whose sum is σ = 693805824. Its totient is φ = 220561536.

The previous prime is 423551353. The next prime is 423551389. The reversal of 423551355 is 553155324.

It is a happy number.

It is not a de Polignac number, because 423551355 - 2¹ = 423551353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423551353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179292 + ... + 181638.

It is an arithmetic number, because the mean of its divisors is an integer number (21681432).

Almost surely, 2^423551355 is an apocalyptic number.

423551355 is a deficient number, since it is larger than the sum of its proper divisors (270254469).

423551355 is a wasteful number, since it uses less digits than its factorization.

423551355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 45000, while the sum is 33.

The square root of 423551355 is about 20580.3633349851. The cubic root of 423551355 is about 750.9920826729.

The spelling of 423551355 in words is "four hundred twenty-three million, five hundred fifty-one thousand, three hundred fifty-five".