1234123505230 has 64 divisors (see below), whose sum is σ = 2769912391680. Its totient is φ = 384613689600.

The previous prime is 1234123505221. The next prime is 1234123505239. The reversal of 1234123505230 is 325053214321.

It is an interprime number because it is at equal distance from previous prime (1234123505221) and next prime (1234123505239).

It is a super-2 number, since 2×1234123505230² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1234123505192 and 1234123505201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234123505239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6317115 + ... + 6509545.

It is an arithmetic number, because the mean of its divisors is an integer number (43279881120).

Almost surely, 2^{1234123505230} is an apocalyptic number.

1234123505230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234123505230 is an abundant number, since it is smaller than the sum of its proper divisors (1535788886450).

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

1234123505230 is a wasteful number, since it uses less digits than its factorization.

1234123505230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200785.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 1234123505230 its reverse (325053214321), we get a palindrome (1559176719551).

The spelling of 1234123505230 in words is "one trillion, two hundred thirty-four billion, one hundred twenty-three million, five hundred five thousand, two hundred thirty".