223020030691 has 2 divisors, whose sum is σ = 223020030692. Its totient is φ = 223020030690.

The previous prime is 223020030683. The next prime is 223020030731. The reversal of 223020030691 is 196030020322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223020030691 - 2³ = 223020030683 is a prime.

It is not a weakly prime, because it can be changed into another prime (223020030791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510015345 + 111510015346.

It is an arithmetic number, because the mean of its divisors is an integer number (111510015346).

Almost surely, 2^223020030691 is an apocalyptic number.

223020030691 is a deficient number, since it is larger than the sum of its proper divisors (1).

223020030691 is an equidigital number, since it uses as much as digits as its factorization.

223020030691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 223020030691 in words is "two hundred twenty-three billion, twenty million, thirty thousand, six hundred ninety-one".