23311111413 has 16 divisors (see below), whose sum is σ = 31943330496. Its totient is φ = 15112287360.

The previous prime is 23311111379. The next prime is 23311111427. The reversal of 23311111413 is 31411111332.

It is not a de Polignac number, because 23311111413 - 2⁶ = 23311111349 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23311111413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311111463) 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, 270906 + ... + 346427.

It is an arithmetic number, because the mean of its divisors is an integer number (1996458156).

Almost surely, 2^23311111413 is an apocalyptic number.

It is an amenable number.

23311111413 is a deficient number, since it is larger than the sum of its proper divisors (8632219083).

23311111413 is a wasteful number, since it uses less digits than its factorization.

23311111413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617684.

The product of its digits is 216, while the sum is 21.

Adding to 23311111413 its reverse (31411111332), we get a palindrome (54722222745).

The spelling of 23311111413 in words is "twenty-three billion, three hundred eleven million, one hundred eleven thousand, four hundred thirteen".