366420623 has 4 divisors (see below), whose sum is σ = 366991128. Its totient is φ = 365850120.

The previous prime is 366420581. The next prime is 366420661. The reversal of 366420623 is 326024663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 366420623 - 2⁶ = 366420559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 366420623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366420823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284288 + ... + 285573.

It is an arithmetic number, because the mean of its divisors is an integer number (91747782).

Almost surely, 2^366420623 is an apocalyptic number.

366420623 is a deficient number, since it is larger than the sum of its proper divisors (570505).

366420623 is an equidigital number, since it uses as much as digits as its factorization.

366420623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570504.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 366420623 is about 19142.1164712787. The cubic root of 366420623 is about 715.5829259297.

The spelling of 366420623 in words is "three hundred sixty-six million, four hundred twenty thousand, six hundred twenty-three".