202010001923 has 2 divisors, whose sum is σ = 202010001924. Its totient is φ = 202010001922.

The previous prime is 202010001911. The next prime is 202010001931. The reversal of 202010001923 is 329100010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202010001923 - 2¹⁴ = 202009985539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 202010001895 and 202010001904.

It is not a weakly prime, because it can be changed into another prime (202010001953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005000961 + 101005000962.

It is an arithmetic number, because the mean of its divisors is an integer number (101005000962).

Almost surely, 2^202010001923 is an apocalyptic number.

202010001923 is a deficient number, since it is larger than the sum of its proper divisors (1).

202010001923 is an equidigital number, since it uses as much as digits as its factorization.

202010001923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 202010001923 in words is "two hundred two billion, ten million, one thousand, nine hundred twenty-three".