102971923 has 2 divisors, whose sum is σ = 102971924. Its totient is φ = 102971922.

The previous prime is 102971893. The next prime is 102971927. The reversal of 102971923 is 329179201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102971923 - 2⁹ = 102971411 is a prime.

It is equal to p_5922772 and since 102971923 and 5922772 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (102971927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51485961 + 51485962.

It is an arithmetic number, because the mean of its divisors is an integer number (51485962).

Almost surely, 2^102971923 is an apocalyptic number.

102971923 is a deficient number, since it is larger than the sum of its proper divisors (1).

102971923 is an equidigital number, since it uses as much as digits as its factorization.

102971923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 102971923 is about 10147.5082163061. The cubic root of 102971923 is about 468.7122179207.

The spelling of 102971923 in words is "one hundred two million, nine hundred seventy-one thousand, nine hundred twenty-three".