401232141232123 has 2 divisors, whose sum is σ = 401232141232124. Its totient is φ = 401232141232122.

The previous prime is 401232141232099. The next prime is 401232141232127. The reversal of 401232141232123 is 321232141232104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401232141232123 is a prime.

It is not a weakly prime, because it can be changed into another prime (401232141232127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200616070616061 + 200616070616062.

It is an arithmetic number, because the mean of its divisors is an integer number (200616070616062).

Almost surely, 2^{401232141232123} is an apocalyptic number.

401232141232123 is a deficient number, since it is larger than the sum of its proper divisors (1).

401232141232123 is an equidigital number, since it uses as much as digits as its factorization.

401232141232123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 401232141232123 its reverse (321232141232104), we get a palindrome (722464282464227).

The spelling of 401232141232123 in words is "four hundred one trillion, two hundred thirty-two billion, one hundred forty-one million, two hundred thirty-two thousand, one hundred twenty-three".