123200023237 has 2 divisors, whose sum is σ = 123200023238. Its totient is φ = 123200023236.

The previous prime is 123200023201. The next prime is 123200023253. The reversal of 123200023237 is 732320002321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117182297761 + 6017725476 = 342319^2 + 77574^2 .

It is a cyclic number.

It is not a de Polignac number, because 123200023237 - 2¹⁹ = 123199498949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123200023267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600011618 + 61600011619.

It is an arithmetic number, because the mean of its divisors is an integer number (61600011619).

Almost surely, 2^123200023237 is an apocalyptic number.

It is an amenable number.

123200023237 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200023237 is an equidigital number, since it uses as much as digits as its factorization.

123200023237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 123200023237 its reverse (732320002321), we get a palindrome (855520025558).

The spelling of 123200023237 in words is "one hundred twenty-three billion, two hundred million, twenty-three thousand, two hundred thirty-seven".