123132030 has 64 divisors (see below), whose sum is σ = 338618880. Its totient is φ = 28070784.

The previous prime is 123132019. The next prime is 123132047. The reversal of 123132030 is 30231321.

It is a super-2 number, since 2×123132030² = 30322993623841800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 148477 + ... + 149303.

It is an arithmetic number, because the mean of its divisors is an integer number (5290920).

Almost surely, 2^123132030 is an apocalyptic number.

123132030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123132030 is an abundant number, since it is smaller than the sum of its proper divisors (215486850).

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

123132030 is a wasteful number, since it uses less digits than its factorization.

123132030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 123132030 is about 11096.4872820186. The cubic root of 123132030 is about 497.4968628541.

Adding to 123132030 its reverse (30231321), we get a palindrome (153363351).

The spelling of 123132030 in words is "one hundred twenty-three million, one hundred thirty-two thousand, thirty".