1208623473 has 6 divisors (see below), whose sum is σ = 1745789474. Its totient is φ = 805748976.

The previous prime is 1208623457. The next prime is 1208623477. The reversal of 1208623473 is 3743268021.

It is a happy number.

1208623473 is a `hidden beast` number, since 1 + 20 + 8 + 623 + 4 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1197713664 + 10909809 = 34608^2 + 3303^2 .

It is not a de Polignac number, because 1208623473 - 2⁴ = 1208623457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208623477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67145740 + ... + 67145757.

Almost surely, 2^1208623473 is an apocalyptic number.

It is an amenable number.

1208623473 is a deficient number, since it is larger than the sum of its proper divisors (537166001).

1208623473 is a wasteful number, since it uses less digits than its factorization.

1208623473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134291503 (or 134291500 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1208623473 is about 34765.2624468736. The cubic root of 1208623473 is about 1065.1979979687.

The spelling of 1208623473 in words is "one billion, two hundred eight million, six hundred twenty-three thousand, four hundred seventy-three".