656023741 has 8 divisors (see below), whose sum is σ = 671488704. Its totient is φ = 640731840.

The previous prime is 656023729. The next prime is 656023747. The reversal of 656023741 is 147320656.

It is a happy number.

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 656023741 - 2¹¹ = 656021693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 656023697 and 656023706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656023747) 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, 35580 + ... + 50773.

It is an arithmetic number, because the mean of its divisors is an integer number (83936088).

Almost surely, 2^656023741 is an apocalyptic number.

It is an amenable number.

656023741 is a deficient number, since it is larger than the sum of its proper divisors (15464963).

656023741 is a wasteful number, since it uses less digits than its factorization.

656023741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86531.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 656023741 is about 25612.9604106983. The cubic root of 656023741 is about 868.9067789719.

The spelling of 656023741 in words is "six hundred fifty-six million, twenty-three thousand, seven hundred forty-one".