23313314213421 has 32 divisors (see below), whose sum is σ = 31713805879680. Its totient is φ = 15230327906304.

The previous prime is 23313314213381. The next prime is 23313314213437. The reversal of 23313314213421 is 12431241331332.

It is not a de Polignac number, because 23313314213421 - 2¹⁴ = 23313314197037 is a prime.

It is a super-2 number, since 2×23313314213421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313314213221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111877395 + ... + 112085583.

It is an arithmetic number, because the mean of its divisors is an integer number (991056433740).

Almost surely, 2^{23313314213421} is an apocalyptic number.

It is an amenable number.

23313314213421 is a deficient number, since it is larger than the sum of its proper divisors (8400491666259).

23313314213421 is a wasteful number, since it uses less digits than its factorization.

23313314213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211565.

The product of its digits is 31104, while the sum is 33.

Adding to 23313314213421 its reverse (12431241331332), we get a palindrome (35744555544753).

The spelling of 23313314213421 in words is "twenty-three trillion, three hundred thirteen billion, three hundred fourteen million, two hundred thirteen thousand, four hundred twenty-one".