20243401403 has 2 divisors, whose sum is σ = 20243401404. Its totient is φ = 20243401402.

The previous prime is 20243401397. The next prime is 20243401427. The reversal of 20243401403 is 30410434202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20243401403 - 2²² = 20239207099 is a prime.

It is not a weakly prime, because it can be changed into another prime (20243401103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121700701 + 10121700702.

It is an arithmetic number, because the mean of its divisors is an integer number (10121700702).

Almost surely, 2^20243401403 is an apocalyptic number.

20243401403 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243401403 is an equidigital number, since it uses as much as digits as its factorization.

20243401403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20243401403 its reverse (30410434202), we get a palindrome (50653835605).

The spelling of 20243401403 in words is "twenty billion, two hundred forty-three million, four hundred one thousand, four hundred three".