23005321403 has 2 divisors, whose sum is σ = 23005321404. Its totient is φ = 23005321402.

The previous prime is 23005321399. The next prime is 23005321421. The reversal of 23005321403 is 30412350032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23005321403 - 2² = 23005321399 is a prime.

It is not a weakly prime, because it can be changed into another prime (23005321453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502660701 + 11502660702.

It is an arithmetic number, because the mean of its divisors is an integer number (11502660702).

Almost surely, 2^23005321403 is an apocalyptic number.

23005321403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23005321403 is an equidigital number, since it uses as much as digits as its factorization.

23005321403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 23005321403 its reverse (30412350032), we get a palindrome (53417671435).

The spelling of 23005321403 in words is "twenty-three billion, five million, three hundred twenty-one thousand, four hundred three".