61104623 has 2 divisors, whose sum is σ = 61104624. Its totient is φ = 61104622.

The previous prime is 61104619. The next prime is 61104643. The reversal of 61104623 is 32640116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61104623 - 2² = 61104619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61104643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552311 + 30552312.

It is an arithmetic number, because the mean of its divisors is an integer number (30552312).

Almost surely, 2^61104623 is an apocalyptic number.

61104623 is a deficient number, since it is larger than the sum of its proper divisors (1).

61104623 is an equidigital number, since it uses as much as digits as its factorization.

61104623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61104623 is about 7816.9446077096. The cubic root of 61104623 is about 393.8746433982.

Adding to 61104623 its reverse (32640116), we get a palindrome (93744739).

The spelling of 61104623 in words is "sixty-one million, one hundred four thousand, six hundred twenty-three".