23321313021427 has 2 divisors, whose sum is σ = 23321313021428. Its totient is φ = 23321313021426.

The previous prime is 23321313021367. The next prime is 23321313021443. The reversal of 23321313021427 is 72412031312332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23321313021427 - 2¹¹ = 23321313019379 is a prime.

It is a super-2 number, since 2×23321313021427² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23321313021392 and 23321313021401.

It is not a weakly prime, because it can be changed into another prime (23321313031427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660656510713 + 11660656510714.

It is an arithmetic number, because the mean of its divisors is an integer number (11660656510714).

Almost surely, 2^{23321313021427} is an apocalyptic number.

23321313021427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321313021427 is an equidigital number, since it uses as much as digits as its factorization.

23321313021427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 23321313021427 its reverse (72412031312332), we get a palindrome (95733344333759).

The spelling of 23321313021427 in words is "twenty-three trillion, three hundred twenty-one billion, three hundred thirteen million, twenty-one thousand, four hundred twenty-seven".