61243323 has 4 divisors (see below), whose sum is σ = 81657768. Its totient is φ = 40828880.

The previous prime is 61243313. The next prime is 61243349. The reversal of 61243323 is 32334216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61243323 - 2¹⁴ = 61226939 is a prime.

It is a super-3 number, since 3×61243323³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 61243293 and 61243302.

It is not an unprimeable number, because it can be changed into a prime (61243313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10207218 + ... + 10207223.

It is an arithmetic number, because the mean of its divisors is an integer number (20414442).

Almost surely, 2^61243323 is an apocalyptic number.

61243323 is a deficient number, since it is larger than the sum of its proper divisors (20414445).

61243323 is a wasteful number, since it uses less digits than its factorization.

61243323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20414444.

The product of its digits is 2592, while the sum is 24.

The square root of 61243323 is about 7825.8113317406. The cubic root of 61243323 is about 394.1724339069.

Adding to 61243323 its reverse (32334216), we get a palindrome (93577539).

The spelling of 61243323 in words is "sixty-one million, two hundred forty-three thousand, three hundred twenty-three".