28100751923 has 2 divisors, whose sum is σ = 28100751924. Its totient is φ = 28100751922.

The previous prime is 28100751863. The next prime is 28100751947. The reversal of 28100751923 is 32915700182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28100751923 - 2²⁰ = 28099703347 is a prime.

It is not a weakly prime, because it can be changed into another prime (28100751023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14050375961 + 14050375962.

It is an arithmetic number, because the mean of its divisors is an integer number (14050375962).

Almost surely, 2^28100751923 is an apocalyptic number.

28100751923 is a deficient number, since it is larger than the sum of its proper divisors (1).

28100751923 is an equidigital number, since it uses as much as digits as its factorization.

28100751923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 28100751923 in words is "twenty-eight billion, one hundred million, seven hundred fifty-one thousand, nine hundred twenty-three".