20035353623 has 2 divisors, whose sum is σ = 20035353624. Its totient is φ = 20035353622.

The previous prime is 20035353607. The next prime is 20035353629. The reversal of 20035353623 is 32635353002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20035353623 - 2⁴ = 20035353607 is a prime.

It is a super-2 number, since 2×20035353623² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20035353623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20035353629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017676811 + 10017676812.

It is an arithmetic number, because the mean of its divisors is an integer number (10017676812).

Almost surely, 2^20035353623 is an apocalyptic number.

20035353623 is a deficient number, since it is larger than the sum of its proper divisors (1).

20035353623 is an equidigital number, since it uses as much as digits as its factorization.

20035353623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 32.

The spelling of 20035353623 in words is "twenty billion, thirty-five million, three hundred fifty-three thousand, six hundred twenty-three".