23699252485 has 4 divisors (see below), whose sum is σ = 28439102988. Its totient is φ = 18959401984.

The previous prime is 23699252483. The next prime is 23699252491. The reversal of 23699252485 is 58425299632.

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 17474989249 + 6224263236 = 132193^2 + 78894^2 .

It is a cyclic number.

It is not a de Polignac number, because 23699252485 - 2¹ = 23699252483 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 (23699252483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2369925244 + ... + 2369925253.

It is an arithmetic number, because the mean of its divisors is an integer number (7109775747).

Almost surely, 2^23699252485 is an apocalyptic number.

It is an amenable number.

23699252485 is a deficient number, since it is larger than the sum of its proper divisors (4739850503).

23699252485 is an equidigital number, since it uses as much as digits as its factorization.

23699252485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739850502.

The product of its digits is 9331200, while the sum is 55.

The spelling of 23699252485 in words is "twenty-three billion, six hundred ninety-nine million, two hundred fifty-two thousand, four hundred eighty-five".