945323623 has 2 divisors, whose sum is σ = 945323624. Its totient is φ = 945323622.

The previous prime is 945323591. The next prime is 945323657. The reversal of 945323623 is 326323549.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (326323549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 945323623 - 2⁵ = 945323591 is a prime.

It is a super-2 number, since 2×945323623² = 1787273504403692258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945323923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472661811 + 472661812.

It is an arithmetic number, because the mean of its divisors is an integer number (472661812).

Almost surely, 2^945323623 is an apocalyptic number.

945323623 is a deficient number, since it is larger than the sum of its proper divisors (1).

945323623 is an equidigital number, since it uses as much as digits as its factorization.

945323623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 945323623 is about 30746.1155757927. The cubic root of 945323623 is about 981.4319006200.

The spelling of 945323623 in words is "nine hundred forty-five million, three hundred twenty-three thousand, six hundred twenty-three".