47242151572123 has 16 divisors (see below), whose sum is σ = 48458945074176. Its totient is φ = 46034213924160.

The previous prime is 47242151572081. The next prime is 47242151572127. The reversal of 47242151572123 is 32127515124274.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47242151572123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47242151572127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119069290 + ... + 119465392.

It is an arithmetic number, because the mean of its divisors is an integer number (3028684067136).

Almost surely, 2^{47242151572123} is an apocalyptic number.

47242151572123 is a deficient number, since it is larger than the sum of its proper divisors (1216793502053).

47242151572123 is a wasteful number, since it uses less digits than its factorization.

47242151572123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407274.

The product of its digits is 940800, while the sum is 46.

Adding to 47242151572123 its reverse (32127515124274), we get a palindrome (79369666696397).

The spelling of 47242151572123 in words is "forty-seven trillion, two hundred forty-two billion, one hundred fifty-one million, five hundred seventy-two thousand, one hundred twenty-three".