16201312423 has 2 divisors, whose sum is σ = 16201312424. Its totient is φ = 16201312422.

The previous prime is 16201312399. The next prime is 16201312459. The reversal of 16201312423 is 32421310261.

It is a weak prime.

It is an emirp because it is prime and its reverse (32421310261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16201312423 - 2²¹ = 16199215271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16201312123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100656211 + 8100656212.

It is an arithmetic number, because the mean of its divisors is an integer number (8100656212).

Almost surely, 2^16201312423 is an apocalyptic number.

16201312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16201312423 is an equidigital number, since it uses as much as digits as its factorization.

16201312423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 16201312423 its reverse (32421310261), we get a palindrome (48622622684).

The spelling of 16201312423 in words is "sixteen billion, two hundred one million, three hundred twelve thousand, four hundred twenty-three".