23103111305 has 16 divisors (see below), whose sum is σ = 28634709504. Its totient is φ = 17875866240.

The previous prime is 23103111301. The next prime is 23103111331. The reversal of 23103111305 is 50311130132.

It is not a de Polignac number, because 23103111305 - 2² = 23103111301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23103111301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229202 + ... + 314228.

It is an arithmetic number, because the mean of its divisors is an integer number (1789669344).

Almost surely, 2^23103111305 is an apocalyptic number.

It is an amenable number.

23103111305 is a deficient number, since it is larger than the sum of its proper divisors (5531598199).

23103111305 is a wasteful number, since it uses less digits than its factorization.

23103111305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86816.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 23103111305 its reverse (50311130132), we get a palindrome (73414241437).

The spelling of 23103111305 in words is "twenty-three billion, one hundred three million, one hundred eleven thousand, three hundred five".