23144134011 has 4 divisors (see below), whose sum is σ = 30858845352. Its totient is φ = 15429422672.

The previous prime is 23144134009. The next prime is 23144134073. The reversal of 23144134011 is 11043144132.

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 23144134011 - 2¹ = 23144134009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23144134511) 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, 3857355666 + ... + 3857355671.

It is an arithmetic number, because the mean of its divisors is an integer number (7714711338).

Almost surely, 2^23144134011 is an apocalyptic number.

23144134011 is a deficient number, since it is larger than the sum of its proper divisors (7714711341).

23144134011 is an equidigital number, since it uses as much as digits as its factorization.

23144134011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714711340.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 23144134011 its reverse (11043144132), we get a palindrome (34187278143).

The spelling of 23144134011 in words is "twenty-three billion, one hundred forty-four million, one hundred thirty-four thousand, eleven".