401232242605687 has 2 divisors, whose sum is σ = 401232242605688. Its totient is φ = 401232242605686.

The previous prime is 401232242605643. The next prime is 401232242605699. The reversal of 401232242605687 is 786506242232104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401232242605687 - 2²³ = 401232234217079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401232245605687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200616121302843 + 200616121302844.

It is an arithmetic number, because the mean of its divisors is an integer number (200616121302844).

Almost surely, 2^{401232242605687} is an apocalyptic number.

401232242605687 is a deficient number, since it is larger than the sum of its proper divisors (1).

401232242605687 is an equidigital number, since it uses as much as digits as its factorization.

401232242605687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 401232242605687 in words is "four hundred one trillion, two hundred thirty-two billion, two hundred forty-two million, six hundred five thousand, six hundred eighty-seven".