42461623 has 2 divisors, whose sum is σ = 42461624. Its totient is φ = 42461622.

The previous prime is 42461593. The next prime is 42461641. The reversal of 42461623 is 32616424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42461623 - 2⁵ = 42461591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42461591 and 42461600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42461693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21230811 + 21230812.

It is an arithmetic number, because the mean of its divisors is an integer number (21230812).

Almost surely, 2^42461623 is an apocalyptic number.

42461623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42461623 is an equidigital number, since it uses as much as digits as its factorization.

42461623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 42461623 is about 6516.2583589051. The cubic root of 42461623 is about 348.8715301240.

The spelling of 42461623 in words is "forty-two million, four hundred sixty-one thousand, six hundred twenty-three".