23501196533 has 2 divisors, whose sum is σ = 23501196534. Its totient is φ = 23501196532.

The previous prime is 23501196493. The next prime is 23501196629. The reversal of 23501196533 is 33569110532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23232466084 + 268730449 = 152422^2 + 16393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23501196533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23501196133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11750598266 + 11750598267.

It is an arithmetic number, because the mean of its divisors is an integer number (11750598267).

Almost surely, 2^23501196533 is an apocalyptic number.

It is an amenable number.

23501196533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23501196533 is an equidigital number, since it uses as much as digits as its factorization.

23501196533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 38.

The spelling of 23501196533 in words is "twenty-three billion, five hundred one million, one hundred ninety-six thousand, five hundred thirty-three".