368323621 has 2 divisors, whose sum is σ = 368323622. Its totient is φ = 368323620.

The previous prime is 368323619. The next prime is 368323643. The reversal of 368323621 is 126323863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251381025 + 116942596 = 15855^2 + 10814^2 .

It is a cyclic number.

It is not a de Polignac number, because 368323621 - 2¹ = 368323619 is a prime.

Together with 368323619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368323691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184161810 + 184161811.

It is an arithmetic number, because the mean of its divisors is an integer number (184161811).

Almost surely, 2^368323621 is an apocalyptic number.

It is an amenable number.

368323621 is a deficient number, since it is larger than the sum of its proper divisors (1).

368323621 is an equidigital number, since it uses as much as digits as its factorization.

368323621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 368323621 is about 19191.7591950295. The cubic root of 368323621 is about 716.8195759779.

The spelling of 368323621 in words is "three hundred sixty-eight million, three hundred twenty-three thousand, six hundred twenty-one".