23782739533 has 8 divisors (see below), whose sum is σ = 27181581440. Its totient is φ = 20384224560.

The previous prime is 23782739521. The next prime is 23782739537. The reversal of 23782739533 is 33593728732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23782739533 - 2²⁵ = 23749185101 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 (23782739537) 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 7 ways as a sum of consecutive naturals, for example, 101563 + ... + 240583.

It is an arithmetic number, because the mean of its divisors is an integer number (3397697680).

Almost surely, 2^23782739533 is an apocalyptic number.

It is an amenable number.

23782739533 is a deficient number, since it is larger than the sum of its proper divisors (3398841907).

23782739533 is a wasteful number, since it uses less digits than its factorization.

23782739533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163467.

The product of its digits is 5715360, while the sum is 52.

The spelling of 23782739533 in words is "twenty-three billion, seven hundred eighty-two million, seven hundred thirty-nine thousand, five hundred thirty-three".