23311211329 has 16 divisors (see below), whose sum is σ = 27575812096. Its totient is φ = 19283734800.

The previous prime is 23311211327. The next prime is 23311211351. The reversal of 23311211329 is 92311211332.

It is a cyclic number.

It is not a de Polignac number, because 23311211329 - 2¹ = 23311211327 is a prime.

It is a super-4 number, since 4×23311211329⁴ (a number of 43 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23311211297 and 23311211306.

It is not an unprimeable number, because it can be changed into a prime (23311211323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66717 + ... + 225994.

It is an arithmetic number, because the mean of its divisors is an integer number (1723488256).

Almost surely, 2^23311211329 is an apocalyptic number.

It is an amenable number.

23311211329 is a deficient number, since it is larger than the sum of its proper divisors (4264600767).

23311211329 is a wasteful number, since it uses less digits than its factorization.

23311211329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293116.

The product of its digits is 1944, while the sum is 28.

The spelling of 23311211329 in words is "twenty-three billion, three hundred eleven million, two hundred eleven thousand, three hundred twenty-nine".