23213123331 has 16 divisors (see below), whose sum is σ = 32849712000. Its totient is φ = 14530322048.

The previous prime is 23213123303. The next prime is 23213123347. The reversal of 23213123331 is 13332131232.

It is a cyclic number.

It is not a de Polignac number, because 23213123331 - 2¹³ = 23213115139 is a prime.

It is a super-2 number, since 2×23213123331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23213123431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521781 + ... + 564518.

It is an arithmetic number, because the mean of its divisors is an integer number (2053107000).

Almost surely, 2^23213123331 is an apocalyptic number.

23213123331 is a deficient number, since it is larger than the sum of its proper divisors (9636588669).

23213123331 is a wasteful number, since it uses less digits than its factorization.

23213123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086738.

The product of its digits is 1944, while the sum is 24.

Adding to 23213123331 its reverse (13332131232), we get a palindrome (36545254563).

The spelling of 23213123331 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-three thousand, three hundred thirty-one".