23054381787 has 4 divisors (see below), whose sum is σ = 30739175720. Its totient is φ = 15369587856.

The previous prime is 23054381719. The next prime is 23054381839. The reversal of 23054381787 is 78718345032.

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

It is not a de Polignac number, because 23054381787 - 2⁸ = 23054381531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23054381087) 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, 3842396962 + ... + 3842396967.

It is an arithmetic number, because the mean of its divisors is an integer number (7684793930).

Almost surely, 2^23054381787 is an apocalyptic number.

23054381787 is a deficient number, since it is larger than the sum of its proper divisors (7684793933).

23054381787 is an equidigital number, since it uses as much as digits as its factorization.

23054381787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684793932.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 23054381787 in words is "twenty-three billion, fifty-four million, three hundred eighty-one thousand, seven hundred eighty-seven".