1481357823 has 8 divisors (see below), whose sum is σ = 2154702336. Its totient is φ = 897792600.

The previous prime is 1481357821. The next prime is 1481357831. The reversal of 1481357823 is 3287531841.

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

It is not a de Polignac number, because 1481357823 - 2¹ = 1481357821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481357821) 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, 22444783 + ... + 22444848.

It is an arithmetic number, because the mean of its divisors is an integer number (269337792).

Almost surely, 2^1481357823 is an apocalyptic number.

1481357823 is a deficient number, since it is larger than the sum of its proper divisors (673344513).

1481357823 is a wasteful number, since it uses less digits than its factorization.

1481357823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44889645.

The product of its digits is 161280, while the sum is 42.

The square root of 1481357823 is about 38488.4115416576. The cubic root of 1481357823 is about 1139.9522456143.

The spelling of 1481357823 in words is "one billion, four hundred eighty-one million, three hundred fifty-seven thousand, eight hundred twenty-three".