1461456623 has 8 divisors (see below), whose sum is σ = 1594601856. Its totient is φ = 1328359000.

The previous prime is 1461456589. The next prime is 1461456641. The reversal of 1461456623 is 3266541641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461456623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461456923) 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, 91040 + ... + 105882.

It is an arithmetic number, because the mean of its divisors is an integer number (199325232).

Almost surely, 2^1461456623 is an apocalyptic number.

1461456623 is a deficient number, since it is larger than the sum of its proper divisors (133145233).

1461456623 is a wasteful number, since it uses less digits than its factorization.

1461456623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23805.

The product of its digits is 103680, while the sum is 38.

The square root of 1461456623 is about 38229.0023803918. The cubic root of 1461456623 is about 1134.8243430412.

The spelling of 1461456623 in words is "one billion, four hundred sixty-one million, four hundred fifty-six thousand, six hundred twenty-three".