123552437 has 2 divisors, whose sum is σ = 123552438. Its totient is φ = 123552436.

The previous prime is 123552419. The next prime is 123552449. The reversal of 123552437 is 734255321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122788561 + 763876 = 11081^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 123552437 - 2¹⁴ = 123536053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123552337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61776218 + 61776219.

It is an arithmetic number, because the mean of its divisors is an integer number (61776219).

Almost surely, 2^123552437 is an apocalyptic number.

It is an amenable number.

123552437 is a deficient number, since it is larger than the sum of its proper divisors (1).

123552437 is an equidigital number, since it uses as much as digits as its factorization.

123552437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 123552437 is about 11115.4143872372. The cubic root of 123552437 is about 498.0624172450.

The spelling of 123552437 in words is "one hundred twenty-three million, five hundred fifty-two thousand, four hundred thirty-seven".