23240133430357 has 2 divisors, whose sum is σ = 23240133430358. Its totient is φ = 23240133430356.

The previous prime is 23240133430309. The next prime is 23240133430361. The reversal of 23240133430357 is 75303433104232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22969724070276 + 270409360081 = 4792674^2 + 520009^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240133430357 - 2¹⁵ = 23240133397589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240133430387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620066715178 + 11620066715179.

It is an arithmetic number, because the mean of its divisors is an integer number (11620066715179).

Almost surely, 2^{23240133430357} is an apocalyptic number.

It is an amenable number.

23240133430357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240133430357 is an equidigital number, since it uses as much as digits as its factorization.

23240133430357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 40.

Adding to 23240133430357 its reverse (75303433104232), we get a palindrome (98543566534589).

The spelling of 23240133430357 in words is "twenty-three trillion, two hundred forty billion, one hundred thirty-three million, four hundred thirty thousand, three hundred fifty-seven".