1366401423 has 8 divisors (see below), whose sum is σ = 1823589936. Its totient is φ = 910073600.

The previous prime is 1366401419. The next prime is 1366401451. The reversal of 1366401423 is 3241046631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1366401423 - 2² = 1366401419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366401623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211458 + ... + 217823.

It is an arithmetic number, because the mean of its divisors is an integer number (227948742).

Almost surely, 2^1366401423 is an apocalyptic number.

1366401423 is a deficient number, since it is larger than the sum of its proper divisors (457188513).

1366401423 is a wasteful number, since it uses less digits than its factorization.

1366401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430345.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1366401423 is about 36964.8674148846. The cubic root of 1366401423 is about 1109.6672495007.

The spelling of 1366401423 in words is "one billion, three hundred sixty-six million, four hundred one thousand, four hundred twenty-three".