123430261009 has 8 divisors (see below), whose sum is σ = 134706385440. Its totient is φ = 112163335200.

The previous prime is 123430261007. The next prime is 123430261043. The reversal of 123430261009 is 900162034321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123430261009 - 2¹ = 123430261007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123430261007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271579 + ... + 2325280.

It is an arithmetic number, because the mean of its divisors is an integer number (16838298180).

Almost surely, 2^123430261009 is an apocalyptic number.

It is an amenable number.

123430261009 is a deficient number, since it is larger than the sum of its proper divisors (11276124431).

123430261009 is a wasteful number, since it uses less digits than its factorization.

123430261009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599311.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 123430261009 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred sixty-one thousand, nine".