23047321361 has 2 divisors, whose sum is σ = 23047321362. Its totient is φ = 23047321360.

The previous prime is 23047321343. The next prime is 23047321433. The reversal of 23047321361 is 16312374032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23007125761 + 40195600 = 151681^2 + 6340^2 .

It is a cyclic number.

It is not a de Polignac number, because 23047321361 - 2²² = 23043127057 is a prime.

It is not a weakly prime, because it can be changed into another prime (23047321861) 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 as a sum of consecutive naturals, namely, 11523660680 + 11523660681.

It is an arithmetic number, because the mean of its divisors is an integer number (11523660681).

Almost surely, 2^23047321361 is an apocalyptic number.

It is an amenable number.

23047321361 is a deficient number, since it is larger than the sum of its proper divisors (1).

23047321361 is an equidigital number, since it uses as much as digits as its factorization.

23047321361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 23047321361 its reverse (16312374032), we get a palindrome (39359695393).

The spelling of 23047321361 in words is "twenty-three billion, forty-seven million, three hundred twenty-one thousand, three hundred sixty-one".