23621436313747 has 2 divisors, whose sum is σ = 23621436313748. Its totient is φ = 23621436313746.

The previous prime is 23621436313649. The next prime is 23621436313751. The reversal of 23621436313747 is 74731363412632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23621436313747 - 2³¹ = 23619288830099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23621436313694 and 23621436313703.

It is not a weakly prime, because it can be changed into another prime (23621436313757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11810718156873 + 11810718156874.

It is an arithmetic number, because the mean of its divisors is an integer number (11810718156874).

Almost surely, 2^{23621436313747} is an apocalyptic number.

23621436313747 is a deficient number, since it is larger than the sum of its proper divisors (1).

23621436313747 is an equidigital number, since it uses as much as digits as its factorization.

23621436313747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 52.

The spelling of 23621436313747 in words is "twenty-three trillion, six hundred twenty-one billion, four hundred thirty-six million, three hundred thirteen thousand, seven hundred forty-seven".