23043254593621 has 2 divisors, whose sum is σ = 23043254593622. Its totient is φ = 23043254593620.

The previous prime is 23043254593609. The next prime is 23043254593637. The reversal of 23043254593621 is 12639545234032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23043014498596 + 240095025 = 4800314^2 + 15495^2 .

It is a cyclic number.

It is not a de Polignac number, because 23043254593621 - 2¹⁹ = 23043254069333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23043254594621) 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, 11521627296810 + 11521627296811.

It is an arithmetic number, because the mean of its divisors is an integer number (11521627296811).

Almost surely, 2^{23043254593621} is an apocalyptic number.

It is an amenable number.

23043254593621 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043254593621 is an equidigital number, since it uses as much as digits as its factorization.

23043254593621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 23043254593621 in words is "twenty-three trillion, forty-three billion, two hundred fifty-four million, five hundred ninety-three thousand, six hundred twenty-one".