56123001 has 24 divisors (see below), whose sum is σ = 93641184. Its totient is φ = 32012160.

The previous prime is 56122999. The next prime is 56123003. The reversal of 56123001 is 10032165.

It is an interprime number because it is at equal distance from previous prime (56122999) and next prime (56123003).

It is not a de Polignac number, because 56123001 - 2¹ = 56122999 is a prime.

56123001 is a modest number, since divided by 23001 gives 561 as remainder.

It is not an unprimeable number, because it can be changed into a prime (56123003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14991 + ... + 18356.

It is an arithmetic number, because the mean of its divisors is an integer number (3901716).

Almost surely, 2^56123001 is an apocalyptic number.

56123001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56123001 is a deficient number, since it is larger than the sum of its proper divisors (37518183).

56123001 is a wasteful number, since it uses less digits than its factorization.

56123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33381 (or 33378 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 56123001 is about 7491.5286157099. The cubic root of 56123001 is about 382.8661417798.

Adding to 56123001 its reverse (10032165), we get a palindrome (66155166).

The spelling of 56123001 in words is "fifty-six million, one hundred twenty-three thousand, one".