23451503197 has 2 divisors, whose sum is σ = 23451503198. Its totient is φ = 23451503196.

The previous prime is 23451503177. The next prime is 23451503227. The reversal of 23451503197 is 79130515432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23424608601 + 26894596 = 153051^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 23451503197 - 2¹⁹ = 23450978909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23451503107) 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, 11725751598 + 11725751599.

It is an arithmetic number, because the mean of its divisors is an integer number (11725751599).

Almost surely, 2^23451503197 is an apocalyptic number.

It is an amenable number.

23451503197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23451503197 is an equidigital number, since it uses as much as digits as its factorization.

23451503197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 23451503197 in words is "twenty-three billion, four hundred fifty-one million, five hundred three thousand, one hundred ninety-seven".