61600023 has 6 divisors (see below), whose sum is σ = 88977824. Its totient is φ = 41066676.

The previous prime is 61600009. The next prime is 61600039. The reversal of 61600023 is 32000616.

It is a happy number.

61600023 is a `hidden beast` number, since 61 + 600 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 61600023 - 2⁵ = 61599991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61599969 and 61600005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61607023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3422215 + ... + 3422232.

Almost surely, 2^61600023 is an apocalyptic number.

61600023 is a deficient number, since it is larger than the sum of its proper divisors (27377801).

61600023 is a wasteful number, since it uses less digits than its factorization.

61600023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844453 (or 6844450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61600023 is about 7848.5682133750. The cubic root of 61600023 is about 394.9362135958.

Adding to 61600023 its reverse (32000616), we get a palindrome (93600639).

The spelling of 61600023 in words is "sixty-one million, six hundred thousand, twenty-three".