202453123 has 2 divisors, whose sum is σ = 202453124. Its totient is φ = 202453122.

The previous prime is 202453109. The next prime is 202453129. The reversal of 202453123 is 321354202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202453123 - 2⁵ = 202453091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202453094 and 202453103.

It is not a weakly prime, because it can be changed into another prime (202453129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101226561 + 101226562.

It is an arithmetic number, because the mean of its divisors is an integer number (101226562).

Almost surely, 2^202453123 is an apocalyptic number.

202453123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202453123 is an equidigital number, since it uses as much as digits as its factorization.

202453123 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 202453123 is about 14228.6022855374. The cubic root of 202453123 is about 587.1848297770.

The spelling of 202453123 in words is "two hundred two million, four hundred fifty-three thousand, one hundred twenty-three".