47220123 has 8 divisors (see below), whose sum is σ = 63822928. Its totient is φ = 31048704.

The previous prime is 47220097. The next prime is 47220137. The reversal of 47220123 is 32102274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47220123 - 2⁹ = 47219611 is a prime.

It is a super-2 number, since 2×47220123² = 4459480032270258, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 47220123.

It is not an unprimeable number, because it can be changed into a prime (47220163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107590 + ... + 108027.

It is an arithmetic number, because the mean of its divisors is an integer number (7977866).

Almost surely, 2^47220123 is an apocalyptic number.

47220123 is a deficient number, since it is larger than the sum of its proper divisors (16602805).

47220123 is a wasteful number, since it uses less digits than its factorization.

47220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215693.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 47220123 is about 6871.6899668131. The cubic root of 47220123 is about 361.4451248083.

Adding to 47220123 its reverse (32102274), we get a palindrome (79322397).

The spelling of 47220123 in words is "forty-seven million, two hundred twenty thousand, one hundred twenty-three".