123335044001 has 4 divisors (see below), whose sum is σ = 132822355092. Its totient is φ = 113847732912.

The previous prime is 123335043967. The next prime is 123335044057. The reversal of 123335044001 is 100440533321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41296336225 + 82038707776 = 203215^2 + 286424^2 .

It is a cyclic number.

It is not a de Polignac number, because 123335044001 - 2³⁴ = 106155174817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123335844001) 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, 4743655526 + ... + 4743655551.

It is an arithmetic number, because the mean of its divisors is an integer number (33205588773).

Almost surely, 2^123335044001 is an apocalyptic number.

It is an amenable number.

123335044001 is a deficient number, since it is larger than the sum of its proper divisors (9487311091).

123335044001 is an equidigital number, since it uses as much as digits as its factorization.

123335044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487311090.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 123335044001 its reverse (100440533321), we get a palindrome (223775577322).

The spelling of 123335044001 in words is "one hundred twenty-three billion, three hundred thirty-five million, forty-four thousand, one".