23430123403 has 2 divisors, whose sum is σ = 23430123404. Its totient is φ = 23430123402.

The previous prime is 23430123397. The next prime is 23430123407. The reversal of 23430123403 is 30432103432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23430123403 is a prime.

It is not a weakly prime, because it can be changed into another prime (23430123407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715061701 + 11715061702.

It is an arithmetic number, because the mean of its divisors is an integer number (11715061702).

Almost surely, 2^23430123403 is an apocalyptic number.

23430123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23430123403 is an equidigital number, since it uses as much as digits as its factorization.

23430123403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 23430123403 its reverse (30432103432), we get a palindrome (53862226835).

The spelling of 23430123403 in words is "twenty-three billion, four hundred thirty million, one hundred twenty-three thousand, four hundred three".