20423331184303 has 2 divisors, whose sum is σ = 20423331184304. Its totient is φ = 20423331184302.

The previous prime is 20423331184247. The next prime is 20423331184339. The reversal of 20423331184303 is 30348113332402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20423331184303 - 2³³ = 20414741249711 is a prime.

It is a super-2 number, since 2×20423331184303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20423331184393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211665592151 + 10211665592152.

It is an arithmetic number, because the mean of its divisors is an integer number (10211665592152).

Almost surely, 2^{20423331184303} is an apocalyptic number.

20423331184303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20423331184303 is an equidigital number, since it uses as much as digits as its factorization.

20423331184303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 20423331184303 in words is "twenty trillion, four hundred twenty-three billion, three hundred thirty-one million, one hundred eighty-four thousand, three hundred three".