47313212123 has 4 divisors (see below), whose sum is σ = 47614570320. Its totient is φ = 47011853928.

The previous prime is 47313212113. The next prime is 47313212129. The reversal of 47313212123 is 32121231374.

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

It is a cyclic number.

It is not a de Polignac number, because 47313212123 - 2⁸ = 47313211867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47313212129) 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, 150678863 + ... + 150679176.

It is an arithmetic number, because the mean of its divisors is an integer number (11903642580).

Almost surely, 2^47313212123 is an apocalyptic number.

47313212123 is a deficient number, since it is larger than the sum of its proper divisors (301358197).

47313212123 is a wasteful number, since it uses less digits than its factorization.

47313212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301358196.

The product of its digits is 6048, while the sum is 29.

Adding to 47313212123 its reverse (32121231374), we get a palindrome (79434443497).

The spelling of 47313212123 in words is "forty-seven billion, three hundred thirteen million, two hundred twelve thousand, one hundred twenty-three".