61423463 has 4 divisors (see below), whose sum is σ = 61507320. Its totient is φ = 61339608.

The previous prime is 61423459. The next prime is 61423487. The reversal of 61423463 is 36432416.

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 61423463 - 2² = 61423459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61423163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40820 + ... + 42297.

It is an arithmetic number, because the mean of its divisors is an integer number (15376830).

Almost surely, 2^61423463 is an apocalyptic number.

61423463 is a deficient number, since it is larger than the sum of its proper divisors (83857).

61423463 is an equidigital number, since it uses as much as digits as its factorization.

61423463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83856.

The product of its digits is 10368, while the sum is 29.

The square root of 61423463 is about 7837.3122306056. The cubic root of 61423463 is about 394.5585261562.

Adding to 61423463 its reverse (36432416), we get a palindrome (97855879).

The spelling of 61423463 in words is "sixty-one million, four hundred twenty-three thousand, four hundred sixty-three".