23390484813 has 6 divisors (see below), whose sum is σ = 33786255854. Its totient is φ = 15593656536.

The previous prime is 23390484811. The next prime is 23390484853. The reversal of 23390484813 is 31848409332.

23390484813 is a `hidden beast` number, since 2 + 3 + 3 + 90 + 484 + 81 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18217710729 + 5172774084 = 134973^2 + 71922^2 .

It is not a de Polignac number, because 23390484813 - 2¹ = 23390484811 is a prime.

It is a super-2 number, since 2×23390484813² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390484811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1299471370 + ... + 1299471387.

Almost surely, 2^23390484813 is an apocalyptic number.

It is an amenable number.

23390484813 is a deficient number, since it is larger than the sum of its proper divisors (10395771041).

23390484813 is a wasteful number, since it uses less digits than its factorization.

23390484813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598942763 (or 2598942760 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 23390484813 in words is "twenty-three billion, three hundred ninety million, four hundred eighty-four thousand, eight hundred thirteen".