61203223 has 2 divisors, whose sum is σ = 61203224. Its totient is φ = 61203222.

The previous prime is 61203221. The next prime is 61203271. The reversal of 61203223 is 32230216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61203223 - 2¹ = 61203221 is a prime.

Together with 61203221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61203223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61203221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30601611 + 30601612.

It is an arithmetic number, because the mean of its divisors is an integer number (30601612).

Almost surely, 2^61203223 is an apocalyptic number.

61203223 is a deficient number, since it is larger than the sum of its proper divisors (1).

61203223 is an equidigital number, since it uses as much as digits as its factorization.

61203223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 61203223 is about 7823.2488775444. The cubic root of 61203223 is about 394.0863849855.

Adding to 61203223 its reverse (32230216), we get a palindrome (93433439).

The spelling of 61203223 in words is "sixty-one million, two hundred three thousand, two hundred twenty-three".