10202211923 has 2 divisors, whose sum is σ = 10202211924. Its totient is φ = 10202211922.

The previous prime is 10202211911. The next prime is 10202211947. The reversal of 10202211923 is 32911220201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202211923 - 2²² = 10198017619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10202211953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101105961 + 5101105962.

It is an arithmetic number, because the mean of its divisors is an integer number (5101105962).

Almost surely, 2^10202211923 is an apocalyptic number.

10202211923 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202211923 is an equidigital number, since it uses as much as digits as its factorization.

10202211923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 10202211923 in words is "ten billion, two hundred two million, two hundred eleven thousand, nine hundred twenty-three".