28453123 has 2 divisors, whose sum is σ = 28453124. Its totient is φ = 28453122.

The previous prime is 28453063. The next prime is 28453129. The reversal of 28453123 is 32135482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28453123 - 2¹³ = 28444931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28453091 and 28453100.

It is not a weakly prime, because it can be changed into another prime (28453129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14226561 + 14226562.

It is an arithmetic number, because the mean of its divisors is an integer number (14226562).

Almost surely, 2^28453123 is an apocalyptic number.

28453123 is a deficient number, since it is larger than the sum of its proper divisors (1).

28453123 is an equidigital number, since it uses as much as digits as its factorization.

28453123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 28453123 is about 5334.1468858666. The cubic root of 28453123 is about 305.2881733975.

The spelling of 28453123 in words is "twenty-eight million, four hundred fifty-three thousand, one hundred twenty-three".