23211403313 has 16 divisors (see below), whose sum is σ = 26712698880. Its totient is φ = 19756691856.

The previous prime is 23211403309. The next prime is 23211403363. The reversal of 23211403313 is 31330411232.

It is a cyclic number.

It is not a de Polignac number, because 23211403313 - 2² = 23211403309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23211403363) 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, 1233308 + ... + 1251986.

It is an arithmetic number, because the mean of its divisors is an integer number (1669543680).

Almost surely, 2^23211403313 is an apocalyptic number.

It is an amenable number.

23211403313 is a deficient number, since it is larger than the sum of its proper divisors (3501295567).

23211403313 is a wasteful number, since it uses less digits than its factorization.

23211403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19916.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23211403313 its reverse (31330411232), we get a palindrome (54541814545).

The spelling of 23211403313 in words is "twenty-three billion, two hundred eleven million, four hundred three thousand, three hundred thirteen".