123471233530 has 16 divisors (see below), whose sum is σ = 222819559560. Its totient is φ = 49261529152.

The previous prime is 123471233471. The next prime is 123471233533. The reversal of 123471233530 is 35332174321.

It can be written as a sum of positive squares in 4 ways, for example, as 111156226801 + 12315006729 = 333401^2 + 110973^2 .

It is not an unprimeable number, because it can be changed into a prime (123471233533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15866449 + ... + 15874228.

Almost surely, 2^123471233530 is an apocalyptic number.

123471233530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123471233530 is a deficient number, since it is larger than the sum of its proper divisors (99348326030).

123471233530 is a wasteful number, since it uses less digits than its factorization.

123471233530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31741073.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 123471233530 in words is "one hundred twenty-three billion, four hundred seventy-one million, two hundred thirty-three thousand, five hundred thirty".