56723345 has 8 divisors (see below), whose sum is σ = 77792064. Its totient is φ = 38895984.

The previous prime is 56723327. The next prime is 56723347. The reversal of 56723345 is 54332765.

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 56723345 - 2¹⁴ = 56706961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1620667 = 56723345 / (5 + 6 + 7 + 2 + 3 + 3 + 4 + 5).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56723347) 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, 810299 + ... + 810368.

It is an arithmetic number, because the mean of its divisors is an integer number (9724008).

Almost surely, 2^56723345 is an apocalyptic number.

It is an amenable number.

56723345 is a deficient number, since it is larger than the sum of its proper divisors (21068719).

56723345 is a wasteful number, since it uses less digits than its factorization.

56723345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620679.

The product of its digits is 75600, while the sum is 35.

The square root of 56723345 is about 7531.4902243845. The cubic root of 56723345 is about 384.2264673422.

The spelling of 56723345 in words is "fifty-six million, seven hundred twenty-three thousand, three hundred forty-five".