123470 has 8 divisors (see below), whose sum is σ = 222264. Its totient is φ = 49384.

The previous prime is 123457. The next prime is 123479. The reversal of 123470 is 74321.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6164 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (27783).

2¹²³⁴⁷⁰ is an apocalyptic number.

123470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123470 is a deficient number, since it is larger than the sum of its proper divisors (98794).

123470 is a wasteful number, since it uses less digits than its factorization.

123470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 123470 is about 351.3829819442. The cubic root of 123470 is about 49.7951619736.

Adding to 123470 its reverse (74321), we get a palindrome (197791).

The spelling of 123470 in words is "one hundred twenty-three thousand, four hundred seventy", and thus it is an iban number.