23421571603 has 2 divisors, whose sum is σ = 23421571604. Its totient is φ = 23421571602.

The previous prime is 23421571561. The next prime is 23421571633. The reversal of 23421571603 is 30617512432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23421571603 - 2¹³ = 23421563411 is a prime.

It is not a weakly prime, because it can be changed into another prime (23421571633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710785801 + 11710785802.

It is an arithmetic number, because the mean of its divisors is an integer number (11710785802).

Almost surely, 2^23421571603 is an apocalyptic number.

23421571603 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421571603 is an equidigital number, since it uses as much as digits as its factorization.

23421571603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 23421571603 in words is "twenty-three billion, four hundred twenty-one million, five hundred seventy-one thousand, six hundred three".