102912923 has 2 divisors, whose sum is σ = 102912924. Its totient is φ = 102912922.

The previous prime is 102912919. The next prime is 102912961. The reversal of 102912923 is 329219201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102912923 - 2² = 102912919 is a prime.

It is not a weakly prime, because it can be changed into another prime (102912973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51456461 + 51456462.

It is an arithmetic number, because the mean of its divisors is an integer number (51456462).

Almost surely, 2^102912923 is an apocalyptic number.

102912923 is a deficient number, since it is larger than the sum of its proper divisors (1).

102912923 is an equidigital number, since it uses as much as digits as its factorization.

102912923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 102912923 is about 10144.6006821363. The cubic root of 102912923 is about 468.6226812024.

The spelling of 102912923 in words is "one hundred two million, nine hundred twelve thousand, nine hundred twenty-three".