123152230130 has 32 divisors (see below), whose sum is σ = 227213946288. Its totient is φ = 48031206400.

The previous prime is 123152230121. The next prime is 123152230139. The reversal of 123152230130 is 31032251321.

It is an interprime number because it is at equal distance from previous prime (123152230121) and next prime (123152230139).

It can be written as a sum of positive squares in 8 ways, for example, as 43987092361 + 79165137769 = 209731^2 + 281363^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123152230096 and 123152230105.

It is not an unprimeable number, because it can be changed into a prime (123152230139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618344 + ... + 792876.

Almost surely, 2^123152230130 is an apocalyptic number.

123152230130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123152230130 is a deficient number, since it is larger than the sum of its proper divisors (104061716158).

123152230130 is a wasteful number, since it uses less digits than its factorization.

123152230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176302.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 123152230130 its reverse (31032251321), we get a palindrome (154184481451).

The spelling of 123152230130 in words is "one hundred twenty-three billion, one hundred fifty-two million, two hundred thirty thousand, one hundred thirty".