223123289453 has 2 divisors, whose sum is σ = 223123289454. Its totient is φ = 223123289452.

The previous prime is 223123289447. The next prime is 223123289483. The reversal of 223123289453 is 354982321322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148759090249 + 74364199204 = 385693^2 + 272698^2 .

It is a cyclic number.

It is not a de Polignac number, because 223123289453 - 2²⁸ = 222854853997 is a prime.

It is a super-3 number, since 3×223123289453³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223123289483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111561644726 + 111561644727.

It is an arithmetic number, because the mean of its divisors is an integer number (111561644727).

Almost surely, 2^223123289453 is an apocalyptic number.

It is an amenable number.

223123289453 is a deficient number, since it is larger than the sum of its proper divisors (1).

223123289453 is an equidigital number, since it uses as much as digits as its factorization.

223123289453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The spelling of 223123289453 in words is "two hundred twenty-three billion, one hundred twenty-three million, two hundred eighty-nine thousand, four hundred fifty-three".