61423313 has 24 divisors (see below), whose sum is σ = 73872000. Its totient is φ = 50896608.

The previous prime is 61423301. The next prime is 61423319. The reversal of 61423313 is 31332416.

It is not a de Polignac number, because 61423313 - 2¹⁰ = 61422289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61423319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343058 + ... + 343236.

It is an arithmetic number, because the mean of its divisors is an integer number (3078000).

Almost surely, 2^61423313 is an apocalyptic number.

It is an amenable number.

61423313 is a deficient number, since it is larger than the sum of its proper divisors (12448687).

61423313 is a wasteful number, since it uses less digits than its factorization.

61423313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 382 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 61423313 is about 7837.3026609925. The cubic root of 61423313 is about 394.5582049769.

Adding to 61423313 its reverse (31332416), we get a palindrome (92755729).

The spelling of 61423313 in words is "sixty-one million, four hundred twenty-three thousand, three hundred thirteen".