61996323 has 4 divisors (see below), whose sum is σ = 82661768. Its totient is φ = 41330880.

The previous prime is 61996309. The next prime is 61996327. The reversal of 61996323 is 32369916.

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

It is not a de Polignac number, because 61996323 - 2⁴ = 61996307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61996327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10332718 + ... + 10332723.

It is an arithmetic number, because the mean of its divisors is an integer number (20665442).

Almost surely, 2^61996323 is an apocalyptic number.

61996323 is a deficient number, since it is larger than the sum of its proper divisors (20665445).

61996323 is a wasteful number, since it uses less digits than its factorization.

61996323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20665444.

The product of its digits is 52488, while the sum is 39.

The square root of 61996323 is about 7873.7743808164. The cubic root of 61996323 is about 395.7813365298.

The spelling of 61996323 in words is "sixty-one million, nine hundred ninety-six thousand, three hundred twenty-three".