61833823 has 2 divisors, whose sum is σ = 61833824. Its totient is φ = 61833822.

The previous prime is 61833817. The next prime is 61833839. The reversal of 61833823 is 32833816.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61833823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61833883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30916911 + 30916912.

It is an arithmetic number, because the mean of its divisors is an integer number (30916912).

Almost surely, 2^61833823 is an apocalyptic number.

61833823 is a deficient number, since it is larger than the sum of its proper divisors (1).

61833823 is an equidigital number, since it uses as much as digits as its factorization.

61833823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 61833823 is about 7863.4485437370. The cubic root of 61833823 is about 395.4352367501.

The spelling of 61833823 in words is "sixty-one million, eight hundred thirty-three thousand, eight hundred twenty-three".