123430243036 has 6 divisors (see below), whose sum is σ = 216002925320. Its totient is φ = 61715121516.

The previous prime is 123430243009. The next prime is 123430243043. The reversal of 123430243036 is 630342034321.

It is a junction number, because it is equal to n+sod(n) for n = 123430242989 and 123430243007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15428780376 + ... + 15428780383.

Almost surely, 2^123430243036 is an apocalyptic number.

It is an amenable number.

123430243036 is a deficient number, since it is larger than the sum of its proper divisors (92572682284).

123430243036 is a wasteful number, since it uses less digits than its factorization.

123430243036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30857560763 (or 30857560761 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 123430243036 its reverse (630342034321), we get a palindrome (753772277357).

The spelling of 123430243036 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred forty-three thousand, thirty-six".