123402243301 has 8 divisors (see below), whose sum is σ = 127666301400. Its totient is φ = 119138772480.

The previous prime is 123402243227. The next prime is 123402243317. The reversal of 123402243301 is 103342204321.

It can be written as a sum of positive squares in 4 ways, for example, as 50164352676 + 73237890625 = 223974^2 + 270625^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123402243301 is a prime.

It is a super-2 number, since 2×123402243301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123402243361) 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, 304221 + ... + 582541.

It is an arithmetic number, because the mean of its divisors is an integer number (15958287675).

Almost surely, 2^123402243301 is an apocalyptic number.

It is an amenable number.

123402243301 is a deficient number, since it is larger than the sum of its proper divisors (4264058099).

123402243301 is a wasteful number, since it uses less digits than its factorization.

123402243301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293639.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123402243301 its reverse (103342204321), we get a palindrome (226744447622).

The spelling of 123402243301 in words is "one hundred twenty-three billion, four hundred two million, two hundred forty-three thousand, three hundred one".