471020657623 has 4 divisors (see below), whose sum is σ = 478050816760. Its totient is φ = 463990498488.

The previous prime is 471020657587. The next prime is 471020657641. The reversal of 471020657623 is 326756020174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326756020174 = 2 ⋅163378010087.

It is a cyclic number.

It is not a de Polignac number, because 471020657623 - 2¹³ = 471020649431 is a prime.

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 471020657623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471020657663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3515079468 + ... + 3515079601.

It is an arithmetic number, because the mean of its divisors is an integer number (119512704190).

Almost surely, 2^471020657623 is an apocalyptic number.

471020657623 is a deficient number, since it is larger than the sum of its proper divisors (7030159137).

471020657623 is an equidigital number, since it uses as much as digits as its factorization.

471020657623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030159136.

The product of its (nonzero) digits is 423360, while the sum is 43.

Adding to 471020657623 its reverse (326756020174), we get a palindrome (797776677797).

The spelling of 471020657623 in words is "four hundred seventy-one billion, twenty million, six hundred fifty-seven thousand, six hundred twenty-three".