61040723 has 2 divisors, whose sum is σ = 61040724. Its totient is φ = 61040722.

The previous prime is 61040719. The next prime is 61040753. The reversal of 61040723 is 32704016.

61040723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61040723 - 2² = 61040719 is a prime.

It is not a weakly prime, because it can be changed into another prime (61040753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30520361 + 30520362.

It is an arithmetic number, because the mean of its divisors is an integer number (30520362).

Almost surely, 2^61040723 is an apocalyptic number.

61040723 is a deficient number, since it is larger than the sum of its proper divisors (1).

61040723 is an equidigital number, since it uses as much as digits as its factorization.

61040723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 61040723 is about 7812.8562638769. The cubic root of 61040723 is about 393.7372977174.

Adding to 61040723 its reverse (32704016), we get a palindrome (93744739).

The spelling of 61040723 in words is "sixty-one million, forty thousand, seven hundred twenty-three".