56123499 has 8 divisors (see below), whose sum is σ = 76423680. Its totient is φ = 36619496.

The previous prime is 56123467. The next prime is 56123537. The reversal of 56123499 is 99432165.

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

It is a cyclic number.

It is not a de Polignac number, because 56123499 - 2⁵ = 56123467 is a prime.

It is a super-3 number, since 3×56123499³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56122499) 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, 198879 + ... + 199160.

It is an arithmetic number, because the mean of its divisors is an integer number (9552960).

Almost surely, 2^56123499 is an apocalyptic number.

56123499 is a deficient number, since it is larger than the sum of its proper divisors (20300181).

56123499 is a wasteful number, since it uses less digits than its factorization.

56123499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398089.

The product of its digits is 58320, while the sum is 39.

The square root of 56123499 is about 7491.5618531785. The cubic root of 56123499 is about 382.8672742137.

The spelling of 56123499 in words is "fifty-six million, one hundred twenty-three thousand, four hundred ninety-nine".