102020333923 has 2 divisors, whose sum is σ = 102020333924. Its totient is φ = 102020333922.

The previous prime is 102020333873. The next prime is 102020333957. The reversal of 102020333923 is 329333020201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020333923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102020333891 and 102020333900.

It is not a weakly prime, because it can be changed into another prime (102020333993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010166961 + 51010166962.

It is an arithmetic number, because the mean of its divisors is an integer number (51010166962).

Almost surely, 2^102020333923 is an apocalyptic number.

102020333923 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020333923 is an equidigital number, since it uses as much as digits as its factorization.

102020333923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 102020333923 in words is "one hundred two billion, twenty million, three hundred thirty-three thousand, nine hundred twenty-three".