1423420200379 has 2 divisors, whose sum is σ = 1423420200380. Its totient is φ = 1423420200378.

The previous prime is 1423420200373. The next prime is 1423420200457. The reversal of 1423420200379 is 9730020243241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423420200379 - 2²¹ = 1423418103227 is a prime.

It is a super-2 number, since 2×1423420200379² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423420200373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711710100189 + 711710100190.

It is an arithmetic number, because the mean of its divisors is an integer number (711710100190).

Almost surely, 2^{1423420200379} is an apocalyptic number.

1423420200379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423420200379 is an equidigital number, since it uses as much as digits as its factorization.

1423420200379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 1423420200379 in words is "one trillion, four hundred twenty-three billion, four hundred twenty million, two hundred thousand, three hundred seventy-nine".