1408023813 has 32 divisors (see below), whose sum is σ = 2226216960. Its totient is φ = 774607680.

The previous prime is 1408023803. The next prime is 1408023817. The reversal of 1408023813 is 3183208041.

It is not a de Polignac number, because 1408023813 - 2¹³ = 1408015621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408023817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122758 + ... + 133736.

It is an arithmetic number, because the mean of its divisors is an integer number (69569280).

Almost surely, 2^1408023813 is an apocalyptic number.

It is an amenable number.

1408023813 is a deficient number, since it is larger than the sum of its proper divisors (818193147).

1408023813 is a wasteful number, since it uses less digits than its factorization.

1408023813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1408023813 is about 37523.6433865370. The cubic root of 1408023813 is about 1120.8220508783.

The spelling of 1408023813 in words is "one billion, four hundred eight million, twenty-three thousand, eight hundred thirteen".