123032130 has 32 divisors (see below), whose sum is σ = 317991744. Its totient is φ = 30284736.

The previous prime is 123032101. The next prime is 123032153. The reversal of 123032130 is 31230321.

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

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, 157344 + ... + 158123.

It is an arithmetic number, because the mean of its divisors is an integer number (9937242).

Almost surely, 2^123032130 is an apocalyptic number.

123032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123032130 is an abundant number, since it is smaller than the sum of its proper divisors (194959614).

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

123032130 is a wasteful number, since it uses less digits than its factorization.

123032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315490.

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

The square root of 123032130 is about 11091.9849440936. The cubic root of 123032130 is about 497.3622826976.

Adding to 123032130 its reverse (31230321), we get a palindrome (154262451).

The spelling of 123032130 in words is "one hundred twenty-three million, thirty-two thousand, one hundred thirty".