223523078699 has 2 divisors, whose sum is σ = 223523078700. Its totient is φ = 223523078698.

The previous prime is 223523078627. The next prime is 223523078711. The reversal of 223523078699 is 996870325322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223523078699 - 2¹² = 223523074603 is a prime.

It is a super-2 number, since 2×223523078699² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223523078599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111761539349 + 111761539350.

It is an arithmetic number, because the mean of its divisors is an integer number (111761539350).

Almost surely, 2^223523078699 is an apocalyptic number.

223523078699 is a deficient number, since it is larger than the sum of its proper divisors (1).

223523078699 is an equidigital number, since it uses as much as digits as its factorization.

223523078699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 223523078699 in words is "two hundred twenty-three billion, five hundred twenty-three million, seventy-eight thousand, six hundred ninety-nine".