123002430 has 32 divisors (see below), whose sum is σ = 303187104. Its totient is φ = 31913856.

The previous prime is 123002423. The next prime is 123002441. The reversal of 123002430 is 34200321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54297 + ... + 56516.

It is an arithmetic number, because the mean of its divisors is an integer number (9474597).

Almost surely, 2^123002430 is an apocalyptic number.

123002430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123002430 is an abundant number, since it is smaller than the sum of its proper divisors (180184674).

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

123002430 is a wasteful number, since it uses less digits than its factorization.

123002430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110860.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123002430 is about 11090.6460587290. The cubic root of 123002430 is about 497.3222583327.

Adding to 123002430 its reverse (34200321), we get a palindrome (157202751).

The spelling of 123002430 in words is "one hundred twenty-three million, two thousand, four hundred thirty".