53223512999 has 2 divisors, whose sum is σ = 53223513000. Its totient is φ = 53223512998.

The previous prime is 53223512971. The next prime is 53223513103. The reversal of 53223512999 is 99921532235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53223512999 - 2⁸ = 53223512743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53223512929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26611756499 + 26611756500.

It is an arithmetic number, because the mean of its divisors is an integer number (26611756500).

Almost surely, 2^53223512999 is an apocalyptic number.

53223512999 is a deficient number, since it is larger than the sum of its proper divisors (1).

53223512999 is an equidigital number, since it uses as much as digits as its factorization.

53223512999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1312200, while the sum is 50.

The spelling of 53223512999 in words is "fifty-three billion, two hundred twenty-three million, five hundred twelve thousand, nine hundred ninety-nine".