1623435061 has 2 divisors, whose sum is σ = 1623435062. Its totient is φ = 1623435060.

The previous prime is 1623435053. The next prime is 1623435113. The reversal of 1623435061 is 1605343261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287446161 + 335988900 = 35881^2 + 18330^2 .

It is an emirp because it is prime and its reverse (1605343261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1623435061 - 2³ = 1623435053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623435041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811717530 + 811717531.

It is an arithmetic number, because the mean of its divisors is an integer number (811717531).

Almost surely, 2^1623435061 is an apocalyptic number.

It is an amenable number.

1623435061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623435061 is an equidigital number, since it uses as much as digits as its factorization.

1623435061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1623435061 is about 40291.8733865776. The cubic root of 1623435061 is about 1175.2898179919.

The spelling of 1623435061 in words is "one billion, six hundred twenty-three million, four hundred thirty-five thousand, sixty-one".