123430470 has 16 divisors (see below), whose sum is σ = 296233200. Its totient is φ = 32914784.

The previous prime is 123430429. The next prime is 123430477. The reversal of 123430470 is 74034321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123430470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057145 + ... + 2057204.

It is an arithmetic number, because the mean of its divisors is an integer number (18514575).

Almost surely, 2^123430470 is an apocalyptic number.

123430470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123430470 is an abundant number, since it is smaller than the sum of its proper divisors (172802730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123430470 is a wasteful number, since it uses less digits than its factorization.

123430470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114359.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 123430470 is about 11109.9266424221. The cubic root of 123430470 is about 497.8984728758.

Adding to 123430470 its reverse (74034321), we get a palindrome (197464791).

The spelling of 123430470 in words is "one hundred twenty-three million, four hundred thirty thousand, four hundred seventy".