423405355 has 8 divisors (see below), whose sum is σ = 509450832. Its totient is φ = 337814688.

The previous prime is 423405337. The next prime is 423405371. The reversal of 423405355 is 553504324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423405355 - 2²⁷ = 289187627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111649 + ... + 115378.

It is an arithmetic number, because the mean of its divisors is an integer number (63681354).

Almost surely, 2^423405355 is an apocalyptic number.

423405355 is a deficient number, since it is larger than the sum of its proper divisors (86045477).

423405355 is a wasteful number, since it uses less digits than its factorization.

423405355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227405.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 423405355 is about 20576.8159587435. The cubic root of 423405355 is about 750.9057826737.

Adding to 423405355 its reverse (553504324), we get a palindrome (976909679).

The spelling of 423405355 in words is "four hundred twenty-three million, four hundred five thousand, three hundred fifty-five".