123430 has 8 divisors (see below), whose sum is σ = 222192. Its totient is φ = 49368.

The previous prime is 123427. The next prime is 123433. The reversal of 123430 is 34321.

It is an interprime number because it is at equal distance from previous prime (123427) and next prime (123433).

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 plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 123430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123433) 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, 6162 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (27774).

2¹²³⁴³⁰ is an apocalyptic number.

123430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123430 is a deficient number, since it is larger than the sum of its proper divisors (98762).

123430 is a wasteful number, since it uses less digits than its factorization.

123430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 123430 is about 351.3260593807. The cubic root of 123430 is about 49.7897840907.

Adding to 123430 its reverse (34321), we get a palindrome (157751).

The spelling of 123430 in words is "one hundred twenty-three thousand, four hundred thirty".