23463658213 has 4 divisors (see below), whose sum is σ = 24843873420. Its totient is φ = 22083443008.

The previous prime is 23463658193. The next prime is 23463658223. The reversal of 23463658213 is 31285636432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12096260289 + 11367397924 = 109983^2 + 106618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23463658213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23463658213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23463658223) 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 3 ways as a sum of consecutive naturals, for example, 690107578 + ... + 690107611.

It is an arithmetic number, because the mean of its divisors is an integer number (6210968355).

Almost surely, 2^23463658213 is an apocalyptic number.

It is an amenable number.

23463658213 is a deficient number, since it is larger than the sum of its proper divisors (1380215207).

23463658213 is a wasteful number, since it uses less digits than its factorization.

23463658213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380215206.

The product of its digits is 622080, while the sum is 43.

The spelling of 23463658213 in words is "twenty-three billion, four hundred sixty-three million, six hundred fifty-eight thousand, two hundred thirteen".