223530379 has 2 divisors, whose sum is σ = 223530380. Its totient is φ = 223530378.

The previous prime is 223530341. The next prime is 223530403. The reversal of 223530379 is 973035322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223530379 - 2²¹ = 221433227 is a prime.

It is not a weakly prime, because it can be changed into another prime (223530479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111765189 + 111765190.

It is an arithmetic number, because the mean of its divisors is an integer number (111765190).

Almost surely, 2^223530379 is an apocalyptic number.

223530379 is a deficient number, since it is larger than the sum of its proper divisors (1).

223530379 is an equidigital number, since it uses as much as digits as its factorization.

223530379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 223530379 is about 14950.9323789522. The cubic root of 223530379 is about 606.8930789909.

The spelling of 223530379 in words is "two hundred twenty-three million, five hundred thirty thousand, three hundred seventy-nine".