61232223 has 16 divisors (see below), whose sum is σ = 90761216. Its totient is φ = 36465120.

The previous prime is 61232221. The next prime is 61232243. The reversal of 61232223 is 32223216.

It is not a de Polignac number, because 61232223 - 2¹ = 61232221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61232223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61232221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24115 + ... + 26532.

It is an arithmetic number, because the mean of its divisors is an integer number (5672576).

Almost surely, 2^61232223 is an apocalyptic number.

61232223 is a deficient number, since it is larger than the sum of its proper divisors (29528993).

61232223 is a wasteful number, since it uses less digits than its factorization.

61232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50694.

The product of its digits is 864, while the sum is 21.

The square root of 61232223 is about 7825.1021079600. The cubic root of 61232223 is about 394.1486186393.

Adding to 61232223 its reverse (32223216), we get a palindrome (93455439).

The spelling of 61232223 in words is "sixty-one million, two hundred thirty-two thousand, two hundred twenty-three".