23403865151 has 2 divisors, whose sum is σ = 23403865152. Its totient is φ = 23403865150.

The previous prime is 23403865141. The next prime is 23403865159. The reversal of 23403865151 is 15156830432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23403865151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403865159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701932575 + 11701932576.

It is an arithmetic number, because the mean of its divisors is an integer number (11701932576).

Almost surely, 2^23403865151 is an apocalyptic number.

23403865151 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403865151 is an equidigital number, since it uses as much as digits as its factorization.

23403865151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 23403865151 in words is "twenty-three billion, four hundred three million, eight hundred sixty-five thousand, one hundred fifty-one".