61240423 has 2 divisors, whose sum is σ = 61240424. Its totient is φ = 61240422.

The previous prime is 61240397. The next prime is 61240433. The reversal of 61240423 is 32404216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61240423 - 2⁵ = 61240391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61240394 and 61240403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61240433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30620211 + 30620212.

It is an arithmetic number, because the mean of its divisors is an integer number (30620212).

Almost surely, 2^61240423 is an apocalyptic number.

61240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

61240423 is an equidigital number, since it uses as much as digits as its factorization.

61240423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 61240423 is about 7825.6260452439. The cubic root of 61240423 is about 394.1662121778.

Adding to 61240423 its reverse (32404216), we get a palindrome (93644639).

The spelling of 61240423 in words is "sixty-one million, two hundred forty thousand, four hundred twenty-three".