402342300424187 has 2 divisors, whose sum is σ = 402342300424188. Its totient is φ = 402342300424186.

The previous prime is 402342300424087. The next prime is 402342300424231. The reversal of 402342300424187 is 781424003243204.

It is a happy number.

It is an a-pointer prime, because the next prime (402342300424231) can be obtained adding 402342300424187 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402342300424187 - 2²² = 402342296229883 is a prime.

It is a super-2 number, since 2×402342300424187² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402342300424087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201171150212093 + 201171150212094.

It is an arithmetic number, because the mean of its divisors is an integer number (201171150212094).

Almost surely, 2^{402342300424187} is an apocalyptic number.

402342300424187 is a deficient number, since it is larger than the sum of its proper divisors (1).

402342300424187 is an equidigital number, since it uses as much as digits as its factorization.

402342300424187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 44.

The spelling of 402342300424187 in words is "four hundred two trillion, three hundred forty-two billion, three hundred million, four hundred twenty-four thousand, one hundred eighty-seven".