123210030 has 32 divisors (see below), whose sum is σ = 301999104. Its totient is φ = 32156576.

The previous prime is 123210029. The next prime is 123210049. The reversal of 123210030 is 30012321.

It is a happy number.

It is a super-2 number, since 2×123210030² = 30361422985201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123209988 and 123210015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42282 + ... + 45101.

It is an arithmetic number, because the mean of its divisors is an integer number (9437472).

Almost surely, 2^123210030 is an apocalyptic number.

123210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123210030 is an abundant number, since it is smaller than the sum of its proper divisors (178789074).

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

123210030 is a wasteful number, since it uses less digits than its factorization.

123210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87440.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 123210030 is about 11100.0013513513. The cubic root of 123210030 is about 497.6018898573.

Adding to 123210030 its reverse (30012321), we get a palindrome (153222351).

The spelling of 123210030 in words is "one hundred twenty-three million, two hundred ten thousand, thirty".