10220556346423 has 2 divisors, whose sum is σ = 10220556346424. Its totient is φ = 10220556346422.

The previous prime is 10220556346421. The next prime is 10220556346447. The reversal of 10220556346423 is 32464365502201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10220556346423 - 2¹ = 10220556346421 is a prime.

Together with 10220556346421, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10220556346423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220556346421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110278173211 + 5110278173212.

It is an arithmetic number, because the mean of its divisors is an integer number (5110278173212).

Almost surely, 2^{10220556346423} is an apocalyptic number.

10220556346423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220556346423 is an equidigital number, since it uses as much as digits as its factorization.

10220556346423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 10220556346423 in words is "ten trillion, two hundred twenty billion, five hundred fifty-six million, three hundred forty-six thousand, four hundred twenty-three".