61330023 has 12 divisors (see below), whose sum is σ = 88702120. Its totient is φ = 40833936.

The previous prime is 61330021. The next prime is 61330051. The reversal of 61330023 is 32003316.

It is a happy number.

61330023 is a `hidden beast` number, since 613 + 30 + 0 + 23 = 666.

It is not a de Polignac number, because 61330023 - 2¹ = 61330021 is a prime.

It is a super-2 number, since 2×61330023² = 7522743442361058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61329978 and 61330005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61330021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3765 + ... + 11697.

Almost surely, 2^61330023 is an apocalyptic number.

61330023 is a deficient number, since it is larger than the sum of its proper divisors (27372097).

61330023 is a wasteful number, since it uses less digits than its factorization.

61330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798 (or 8795 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 61330023 is about 7831.3487344135. The cubic root of 61330023 is about 394.3583515132.

Adding to 61330023 its reverse (32003316), we get a palindrome (93333339).

The spelling of 61330023 in words is "sixty-one million, three hundred thirty thousand, twenty-three".