123335005413 has 4 divisors (see below), whose sum is σ = 164446673888. Its totient is φ = 82223336940.

The previous prime is 123335005361. The next prime is 123335005429. The reversal of 123335005413 is 314500533321.

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 not a de Polignac number, because 123335005413 - 2⁹ = 123335004901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123335005433) 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, 20555834233 + ... + 20555834238.

It is an arithmetic number, because the mean of its divisors is an integer number (41111668472).

Almost surely, 2^123335005413 is an apocalyptic number.

It is an amenable number.

123335005413 is a deficient number, since it is larger than the sum of its proper divisors (41111668475).

123335005413 is an equidigital number, since it uses as much as digits as its factorization.

123335005413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41111668474.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 123335005413 its reverse (314500533321), we get a palindrome (437835538734).

The spelling of 123335005413 in words is "one hundred twenty-three billion, three hundred thirty-five million, five thousand, four hundred thirteen".