23501788403 has 2 divisors, whose sum is σ = 23501788404. Its totient is φ = 23501788402.

The previous prime is 23501788399. The next prime is 23501788421. The reversal of 23501788403 is 30488710532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23501788403 - 2² = 23501788399 is a prime.

It is not a weakly prime, because it can be changed into another prime (23501788003) 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, 11750894201 + 11750894202.

It is an arithmetic number, because the mean of its divisors is an integer number (11750894202).

Almost surely, 2^23501788403 is an apocalyptic number.

23501788403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23501788403 is an equidigital number, since it uses as much as digits as its factorization.

23501788403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 23501788403 in words is "twenty-three billion, five hundred one million, seven hundred eighty-eight thousand, four hundred three".