623253065533361 has 2 divisors, whose sum is σ = 623253065533362. Its totient is φ = 623253065533360.

The previous prime is 623253065533313. The next prime is 623253065533369. The reversal of 623253065533361 is 163335560352326.

623253065533361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 617845840815025 + 5407224718336 = 24856505^2 + 2325344^2 .

It is a cyclic number.

It is not a de Polignac number, because 623253065533361 - 2⁴² = 618855019022257 is a prime.

It is not a weakly prime, because it can be changed into another prime (623253065533369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311626532766680 + 311626532766681.

It is an arithmetic number, because the mean of its divisors is an integer number (311626532766681).

Almost surely, 2^{623253065533361} is an apocalyptic number.

It is an amenable number.

623253065533361 is a deficient number, since it is larger than the sum of its proper divisors (1).

623253065533361 is an equidigital number, since it uses as much as digits as its factorization.

623253065533361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244000, while the sum is 53.

The spelling of 623253065533361 in words is "six hundred twenty-three trillion, two hundred fifty-three billion, sixty-five million, five hundred thirty-three thousand, three hundred sixty-one".