23385031758787 has 4 divisors (see below), whose sum is σ = 23423557347136. Its totient is φ = 23346506170440.

The previous prime is 23385031758749. The next prime is 23385031758791. The reversal of 23385031758787 is 78785713058332.

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

It is a cyclic number.

It is not a de Polignac number, because 23385031758787 - 2²³ = 23385023370179 is a prime.

It is a super-2 number, since 2×23385031758787² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23385031758707) 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, 19262793264 + ... + 19262794477.

It is an arithmetic number, because the mean of its divisors is an integer number (5855889336784).

Almost surely, 2^{23385031758787} is an apocalyptic number.

23385031758787 is a deficient number, since it is larger than the sum of its proper divisors (38525588349).

23385031758787 is an equidigital number, since it uses as much as digits as its factorization.

23385031758787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38525588348.

The product of its (nonzero) digits is 237081600, while the sum is 67.

The spelling of 23385031758787 in words is "twenty-three trillion, three hundred eighty-five billion, thirty-one million, seven hundred fifty-eight thousand, seven hundred eighty-seven".