1423628361 has 9 divisors (see below), whose sum is σ = 2056515591. Its totient is φ = 949010112.

The previous prime is 1423628359. The next prime is 1423628377. The reversal of 1423628361 is 1638263241.

The square root of 1423628361 is 37731.

It is a perfect power (a square), and thus also a powerful number.

1423628361 is a `hidden beast` number, since 1 + 4 + 23 + 628 + 3 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1310078025 + 113550336 = 36195^2 + 10656^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1423628361 - 2¹ = 1423628359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423628341) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 106905 + ... + 119481.

Almost surely, 2^1423628361 is an apocalyptic number.

1423628361 is the 37731-st square number.

1423628361 is the 18866-th centered octagonal number.

It is an amenable number.

1423628361 is a deficient number, since it is larger than the sum of its proper divisors (632887230).

1423628361 is an frugal number, since it uses more digits than its factorization.

1423628361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160 (or 12580 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The cubic root of 1423628361 is about 1124.9473847985.

Multiplying 1423628361 by its sum of digits (36), we get a square (51250620996 = 226386²).

The spelling of 1423628361 in words is "one billion, four hundred twenty-three million, six hundred twenty-eight thousand, three hundred sixty-one".