275421023 has 2 divisors, whose sum is σ = 275421024. Its totient is φ = 275421022.

The previous prime is 275420993. The next prime is 275421031. The reversal of 275421023 is 320124572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275421023 - 2¹⁰ = 275419999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275420983 and 275421001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275421053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137710511 + 137710512.

It is an arithmetic number, because the mean of its divisors is an integer number (137710512).

Almost surely, 2^275421023 is an apocalyptic number.

275421023 is a deficient number, since it is larger than the sum of its proper divisors (1).

275421023 is an equidigital number, since it uses as much as digits as its factorization.

275421023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 275421023 is about 16595.8134178473. The cubic root of 275421023 is about 650.6274202158.

Adding to 275421023 its reverse (320124572), we get a palindrome (595545595).

The spelling of 275421023 in words is "two hundred seventy-five million, four hundred twenty-one thousand, twenty-three".