23111313 has 16 divisors (see below), whose sum is σ = 32731776. Its totient is φ = 14455040.

The previous prime is 23111299. The next prime is 23111321. The reversal of 23111313 is 31311132.

It is a cyclic number.

It is not a de Polignac number, because 23111313 - 2¹³ = 23103121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23111292 and 23111301.

It is not an unprimeable number, because it can be changed into a prime (23111323) 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, 23020 + ... + 24002.

It is an arithmetic number, because the mean of its divisors is an integer number (2045736).

Almost surely, 2^23111313 is an apocalyptic number.

It is an amenable number.

23111313 is a deficient number, since it is larger than the sum of its proper divisors (9620463).

23111313 is a wasteful number, since it uses less digits than its factorization.

23111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its digits is 54, while the sum is 15.

The square root of 23111313 is about 4807.4226982865. The cubic root of 23111313 is about 284.8447415361.

Adding to 23111313 its reverse (31311132), we get a palindrome (54422445).

The spelling of 23111313 in words is "twenty-three million, one hundred eleven thousand, three hundred thirteen".