20203151323 has 2 divisors, whose sum is σ = 20203151324. Its totient is φ = 20203151322.

The previous prime is 20203151303. The next prime is 20203151333. The reversal of 20203151323 is 32315130202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20203151323 - 2²⁵ = 20169596891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20203151294 and 20203151303.

It is not a weakly prime, because it can be changed into another prime (20203151303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101575661 + 10101575662.

It is an arithmetic number, because the mean of its divisors is an integer number (10101575662).

Almost surely, 2^20203151323 is an apocalyptic number.

20203151323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203151323 is an equidigital number, since it uses as much as digits as its factorization.

20203151323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20203151323 its reverse (32315130202), we get a palindrome (52518281525).

The spelling of 20203151323 in words is "twenty billion, two hundred three million, one hundred fifty-one thousand, three hundred twenty-three".