56431023145 has 8 divisors (see below), whose sum is σ = 77391117504. Its totient is φ = 38695558704.

The previous prime is 56431023127. The next prime is 56431023161. The reversal of 56431023145 is 54132013465.

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 56431023145 - 2¹³ = 56431014953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56431023145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806157439 + ... + 806157508.

It is an arithmetic number, because the mean of its divisors is an integer number (9673889688).

Almost surely, 2^56431023145 is an apocalyptic number.

It is an amenable number.

56431023145 is a deficient number, since it is larger than the sum of its proper divisors (20960094359).

56431023145 is a wasteful number, since it uses less digits than its factorization.

56431023145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612314959.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 56431023145 in words is "fifty-six billion, four hundred thirty-one million, twenty-three thousand, one hundred forty-five".