123430332313 has 4 divisors (see below), whose sum is σ = 127411955968. Its totient is φ = 119448708660.

The previous prime is 123430332307. The next prime is 123430332359. The reversal of 123430332313 is 313233034321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123430332313 - 2⁵ = 123430332281 is a prime.

It is a super-2 number, since 2×123430332313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123430332013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990811781 + ... + 1990811842.

It is an arithmetic number, because the mean of its divisors is an integer number (31852988992).

Almost surely, 2^123430332313 is an apocalyptic number.

It is an amenable number.

123430332313 is a deficient number, since it is larger than the sum of its proper divisors (3981623655).

123430332313 is an equidigital number, since it uses as much as digits as its factorization.

123430332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981623654.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 123430332313 its reverse (313233034321), we get a palindrome (436663366634).

The spelling of 123430332313 in words is "one hundred twenty-three billion, four hundred thirty million, three hundred thirty-two thousand, three hundred thirteen".