355430036889623 has 2 divisors, whose sum is σ = 355430036889624. Its totient is φ = 355430036889622.

The previous prime is 355430036889619. The next prime is 355430036889677. The reversal of 355430036889623 is 326988630034553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355430036889623 - 2² = 355430036889619 is a prime.

It is a super-2 number, since 2×355430036889623² (a number of 30 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 355430036889623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355430036189623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177715018444811 + 177715018444812.

It is an arithmetic number, because the mean of its divisors is an integer number (177715018444812).

Almost surely, 2^{355430036889623} is an apocalyptic number.

355430036889623 is a deficient number, since it is larger than the sum of its proper divisors (1).

355430036889623 is an equidigital number, since it uses as much as digits as its factorization.

355430036889623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 335923200, while the sum is 65.

The spelling of 355430036889623 in words is "three hundred fifty-five trillion, four hundred thirty billion, thirty-six million, eight hundred eighty-nine thousand, six hundred twenty-three".