423955 has 8 divisors (see below), whose sum is σ = 581472. Its totient is φ = 290688.

The previous prime is 423949. The next prime is 423961. The reversal of 423955 is 559324.

It is an interprime number because it is at equal distance from previous prime (423949) and next prime (423961).

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 423955 - 2¹¹ = 421907 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, 6022 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (72684).

2⁴²³⁹⁵⁵ is an apocalyptic number.

423955 is a deficient number, since it is larger than the sum of its proper divisors (157517).

423955 is a wasteful number, since it uses less digits than its factorization.

423955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125.

The product of its digits is 5400, while the sum is 28.

The square root of 423955 is about 651.1182688268. The cubic root of 423955 is about 75.1230572410.

It can be divided in two parts, 423 and 955, that added together give a triangular number (1378 = T₅₂).

The spelling of 423955 in words is "four hundred twenty-three thousand, nine hundred fifty-five".