1463309823 has 16 divisors (see below), whose sum is σ = 1999728896. Its totient is φ = 951289920.

The previous prime is 1463309801. The next prime is 1463309831. The reversal of 1463309823 is 3289033641.

It is not a de Polignac number, because 1463309823 - 2⁵ = 1463309791 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 (1463309863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72411 + ... + 90387.

It is an arithmetic number, because the mean of its divisors is an integer number (124983056).

Almost surely, 2^1463309823 is an apocalyptic number.

1463309823 is a deficient number, since it is larger than the sum of its proper divisors (536419073).

1463309823 is a wasteful number, since it uses less digits than its factorization.

1463309823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1463309823 is about 38253.2328437741. The cubic root of 1463309823 is about 1135.3038117526.

The spelling of 1463309823 in words is "one billion, four hundred sixty-three million, three hundred nine thousand, eight hundred twenty-three".