102210923 has 2 divisors, whose sum is σ = 102210924. Its totient is φ = 102210922.

The previous prime is 102210907. The next prime is 102210967. The reversal of 102210923 is 329012201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102210923 - 2⁴ = 102210907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102210895 and 102210904.

It is not a weakly prime, because it can be changed into another prime (102210973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105461 + 51105462.

It is an arithmetic number, because the mean of its divisors is an integer number (51105462).

Almost surely, 2^102210923 is an apocalyptic number.

102210923 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210923 is an equidigital number, since it uses as much as digits as its factorization.

102210923 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 square root of 102210923 is about 10109.9417901391. The cubic root of 102210923 is about 467.5547104416.

The spelling of 102210923 in words is "one hundred two million, two hundred ten thousand, nine hundred twenty-three".