23120501237 has 2 divisors, whose sum is σ = 23120501238. Its totient is φ = 23120501236.

The previous prime is 23120501233. The next prime is 23120501293. The reversal of 23120501237 is 73210502132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16230505201 + 6889996036 = 127399^2 + 83006^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120501237 - 2² = 23120501233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23120501231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560250618 + 11560250619.

It is an arithmetic number, because the mean of its divisors is an integer number (11560250619).

Almost surely, 2^23120501237 is an apocalyptic number.

It is an amenable number.

23120501237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120501237 is an equidigital number, since it uses as much as digits as its factorization.

23120501237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 23120501237 in words is "twenty-three billion, one hundred twenty million, five hundred one thousand, two hundred thirty-seven".