1423628377 has 2 divisors, whose sum is σ = 1423628378. Its totient is φ = 1423628376.

The previous prime is 1423628359. The next prime is 1423628411. The reversal of 1423628377 is 7738263241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1423628361 + 16 = 37731^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423628377 - 2⁷ = 1423628249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423628077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711814188 + 711814189.

It is an arithmetic number, because the mean of its divisors is an integer number (711814189).

Almost surely, 2^1423628377 is an apocalyptic number.

It is an amenable number.

1423628377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423628377 is an equidigital number, since it uses as much as digits as its factorization.

1423628377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 1423628377 is about 37731.0002120272. Note that the first 3 decimals coincide. The cubic root of 1423628377 is about 1124.9473890129.

The spelling of 1423628377 in words is "one billion, four hundred twenty-three million, six hundred twenty-eight thousand, three hundred seventy-seven".