23079430721533 has 2 divisors, whose sum is σ = 23079430721534. Its totient is φ = 23079430721532.

The previous prime is 23079430721531. The next prime is 23079430721551. The reversal of 23079430721533 is 33512703497032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20149657612569 + 2929773108964 = 4488837^2 + 1711658^2 .

It is a cyclic number.

It is not a de Polignac number, because 23079430721533 - 2¹ = 23079430721531 is a prime.

Together with 23079430721531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23079430721531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11539715360766 + 11539715360767.

It is an arithmetic number, because the mean of its divisors is an integer number (11539715360767).

Almost surely, 2^{23079430721533} is an apocalyptic number.

It is an amenable number.

23079430721533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23079430721533 is an equidigital number, since it uses as much as digits as its factorization.

23079430721533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 49.

The spelling of 23079430721533 in words is "twenty-three trillion, seventy-nine billion, four hundred thirty million, seven hundred twenty-one thousand, five hundred thirty-three".