23253901493 has 2 divisors, whose sum is σ = 23253901494. Its totient is φ = 23253901492.

The previous prime is 23253901483. The next prime is 23253901523. The reversal of 23253901493 is 39410935232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21449945764 + 1803955729 = 146458^2 + 42473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23253901493 is a prime.

It is a super-3 number, since 3×23253901493³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23253901493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23253901403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11626950746 + 11626950747.

It is an arithmetic number, because the mean of its divisors is an integer number (11626950747).

Almost surely, 2^23253901493 is an apocalyptic number.

It is an amenable number.

23253901493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23253901493 is an equidigital number, since it uses as much as digits as its factorization.

23253901493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 23253901493 in words is "twenty-three billion, two hundred fifty-three million, nine hundred one thousand, four hundred ninety-three".