23031033121973 has 2 divisors, whose sum is σ = 23031033121974. Its totient is φ = 23031033121972.

The previous prime is 23031033121949. The next prime is 23031033122021. The reversal of 23031033121973 is 37912133013032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22966263889969 + 64769232004 = 4792313^2 + 254498^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031033121973 - 2¹⁴ = 23031033105589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031033121903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515516560986 + 11515516560987.

It is an arithmetic number, because the mean of its divisors is an integer number (11515516560987).

Almost surely, 2^{23031033121973} is an apocalyptic number.

It is an amenable number.

23031033121973 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031033121973 is an equidigital number, since it uses as much as digits as its factorization.

23031033121973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 38.

The spelling of 23031033121973 in words is "twenty-three trillion, thirty-one billion, thirty-three million, one hundred twenty-one thousand, nine hundred seventy-three".