23021655651299 has 2 divisors, whose sum is σ = 23021655651300. Its totient is φ = 23021655651298.

The previous prime is 23021655651283. The next prime is 23021655651341. The reversal of 23021655651299 is 99215655612032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23021655651299 - 2⁴ = 23021655651283 is a prime.

It is not a weakly prime, because it can be changed into another prime (23021655611299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510827825649 + 11510827825650.

It is an arithmetic number, because the mean of its divisors is an integer number (11510827825650).

Almost surely, 2^{23021655651299} is an apocalyptic number.

23021655651299 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021655651299 is an equidigital number, since it uses as much as digits as its factorization.

23021655651299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 23021655651299 in words is "twenty-three trillion, twenty-one billion, six hundred fifty-five million, six hundred fifty-one thousand, two hundred ninety-nine".