147423832456 has 8 divisors (see below), whose sum is σ = 276419685870. Its totient is φ = 73711916224.

The previous prime is 147423832433. The next prime is 147423832459. The reversal of 147423832456 is 654238324741.

It can be written as a sum of positive squares in only one way, i.e., 76579492900 + 70844339556 = 276730^2 + 266166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (147423832459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9213989521 + ... + 9213989536.

Almost surely, 2^147423832456 is an apocalyptic number.

It is an amenable number.

147423832456 is a deficient number, since it is larger than the sum of its proper divisors (128995853414).

147423832456 is a wasteful number, since it uses less digits than its factorization.

147423832456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18427979063 (or 18427979059 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 49.

The spelling of 147423832456 in words is "one hundred forty-seven billion, four hundred twenty-three million, eight hundred thirty-two thousand, four hundred fifty-six".