202153423 has 2 divisors, whose sum is σ = 202153424. Its totient is φ = 202153422.

The previous prime is 202153397. The next prime is 202153447. The reversal of 202153423 is 324351202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202153423 - 2¹⁷ = 202022351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202153394 and 202153403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202153453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101076711 + 101076712.

It is an arithmetic number, because the mean of its divisors is an integer number (101076712).

Almost surely, 2^202153423 is an apocalyptic number.

202153423 is a deficient number, since it is larger than the sum of its proper divisors (1).

202153423 is an equidigital number, since it uses as much as digits as its factorization.

202153423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 202153423 is about 14218.0667813877. The cubic root of 202153423 is about 586.8949417626.

The spelling of 202153423 in words is "two hundred two million, one hundred fifty-three thousand, four hundred twenty-three".