47623231553 has 4 divisors (see below), whose sum is σ = 48784773828. Its totient is φ = 46461689280.

The previous prime is 47623231543. The next prime is 47623231597. The reversal of 47623231553 is 35513232674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28288885249 + 19334346304 = 168193^2 + 139048^2 .

It is a cyclic number.

It is not a de Polignac number, because 47623231553 - 2¹⁴ = 47623215169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1161542233 = 47623231553 / (4 + 7 + 6 + 2 + 3 + 2 + 3 + 1 + 5 + 5 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47623231553.

It is not an unprimeable number, because it can be changed into a prime (47623231543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580771076 + ... + 580771157.

It is an arithmetic number, because the mean of its divisors is an integer number (12196193457).

Almost surely, 2^47623231553 is an apocalyptic number.

It is an amenable number.

47623231553 is a deficient number, since it is larger than the sum of its proper divisors (1161542275).

47623231553 is a wasteful number, since it uses less digits than its factorization.

47623231553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161542274.

The product of its digits is 453600, while the sum is 41.

The spelling of 47623231553 in words is "forty-seven billion, six hundred twenty-three million, two hundred thirty-one thousand, five hundred fifty-three".