48128623 has 4 divisors (see below), whose sum is σ = 48570280. Its totient is φ = 47686968.

The previous prime is 48128609. The next prime is 48128651. The reversal of 48128623 is 32682184.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48128623 is a prime.

It is a super-2 number, since 2×48128623² = 4632728703752258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48128693) 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, 220665 + ... + 220882.

It is an arithmetic number, because the mean of its divisors is an integer number (12142570).

Almost surely, 2^48128623 is an apocalyptic number.

48128623 is a deficient number, since it is larger than the sum of its proper divisors (441657).

48128623 is a wasteful number, since it uses less digits than its factorization.

48128623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441656.

The product of its digits is 18432, while the sum is 34.

The square root of 48128623 is about 6937.4795855555. The cubic root of 48128623 is about 363.7484450204.

The spelling of 48128623 in words is "forty-eight million, one hundred twenty-eight thousand, six hundred twenty-three".