1232340123401 has 2 divisors, whose sum is σ = 1232340123402. Its totient is φ = 1232340123400.

The previous prime is 1232340123397. The next prime is 1232340123403. The reversal of 1232340123401 is 1043210432321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218045529801 + 14294593600 = 1103651^2 + 119560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232340123401 - 2² = 1232340123397 is a prime.

Together with 1232340123403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1232340123403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616170061700 + 616170061701.

It is an arithmetic number, because the mean of its divisors is an integer number (616170061701).

Almost surely, 2^{1232340123401} is an apocalyptic number.

It is an amenable number.

1232340123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232340123401 is an equidigital number, since it uses as much as digits as its factorization.

1232340123401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1232340123401 its reverse (1043210432321), we get a palindrome (2275550555722).

The spelling of 1232340123401 in words is "one trillion, two hundred thirty-two billion, three hundred forty million, one hundred twenty-three thousand, four hundred one".