23578140829 has 2 divisors, whose sum is σ = 23578140830. Its totient is φ = 23578140828.

The previous prime is 23578140827. The next prime is 23578140893. The reversal of 23578140829 is 92804187532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18844425625 + 4733715204 = 137275^2 + 68802^2 .

It is a cyclic number.

It is not a de Polignac number, because 23578140829 - 2¹ = 23578140827 is a prime.

Together with 23578140827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23578140821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11789070414 + 11789070415.

It is an arithmetic number, because the mean of its divisors is an integer number (11789070415).

Almost surely, 2^23578140829 is an apocalyptic number.

It is an amenable number.

23578140829 is a deficient number, since it is larger than the sum of its proper divisors (1).

23578140829 is an equidigital number, since it uses as much as digits as its factorization.

23578140829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 23578140829 in words is "twenty-three billion, five hundred seventy-eight million, one hundred forty thousand, eight hundred twenty-nine".