610561423 has 2 divisors, whose sum is σ = 610561424. Its totient is φ = 610561422.

The previous prime is 610561417. The next prime is 610561433. The reversal of 610561423 is 324165016.

610561423 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 610561423 - 2¹⁷ = 610430351 is a prime.

It is equal to p_31847302 and since 610561423 and 31847302 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 610561391 and 610561400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610561433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305280711 + 305280712.

It is an arithmetic number, because the mean of its divisors is an integer number (305280712).

Almost surely, 2^610561423 is an apocalyptic number.

610561423 is a deficient number, since it is larger than the sum of its proper divisors (1).

610561423 is an equidigital number, since it uses as much as digits as its factorization.

610561423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 610561423 is about 24709.5411329308. The cubic root of 610561423 is about 848.3527141480.

It can be divided in two parts, 6105 and 61423, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 610561423 in words is "six hundred ten million, five hundred sixty-one thousand, four hundred twenty-three".