123203130130 has 32 divisors (see below), whose sum is σ = 233476176960. Its totient is φ = 46679768640.

The previous prime is 123203130121. The next prime is 123203130157. The reversal of 123203130130 is 31031302321.

It is a super-2 number, since 2×123203130130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 123203130098 and 123203130107.

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, 1169497 + ... + 1270483.

It is an arithmetic number, because the mean of its divisors is an integer number (7296130530).

Almost surely, 2^123203130130 is an apocalyptic number.

123203130130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123203130130 is a deficient number, since it is larger than the sum of its proper divisors (110273046830).

123203130130 is a wasteful number, since it uses less digits than its factorization.

123203130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107434.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123203130130 its reverse (31031302321), we get a palindrome (154234432451).

The spelling of 123203130130 in words is "one hundred twenty-three billion, two hundred three million, one hundred thirty thousand, one hundred thirty".