1623132853 has 2 divisors, whose sum is σ = 1623132854. Its totient is φ = 1623132852.

The previous prime is 1623132803. The next prime is 1623132859. The reversal of 1623132853 is 3582313261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1600160004 + 22972849 = 40002^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623132853 - 2²¹ = 1621035701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1623132859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811566426 + 811566427.

It is an arithmetic number, because the mean of its divisors is an integer number (811566427).

Almost surely, 2^1623132853 is an apocalyptic number.

It is an amenable number.

1623132853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623132853 is an equidigital number, since it uses as much as digits as its factorization.

1623132853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 1623132853 is about 40288.1229768774. The cubic root of 1623132853 is about 1175.2168853904.

The spelling of 1623132853 in words is "one billion, six hundred twenty-three million, one hundred thirty-two thousand, eight hundred fifty-three".