902343623 has 2 divisors, whose sum is σ = 902343624. Its totient is φ = 902343622.

The previous prime is 902343619. The next prime is 902343641. The reversal of 902343623 is 326343209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 902343623 - 2² = 902343619 is a prime.

It is a super-2 number, since 2×902343623² = 1628448027937532258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 902343623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (902343643) 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, 451171811 + 451171812.

It is an arithmetic number, because the mean of its divisors is an integer number (451171812).

Almost surely, 2^902343623 is an apocalyptic number.

902343623 is a deficient number, since it is larger than the sum of its proper divisors (1).

902343623 is an equidigital number, since it uses as much as digits as its factorization.

902343623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 902343623 is about 30039.0349878288. The cubic root of 902343623 is about 966.3267112294.

The spelling of 902343623 in words is "nine hundred two million, three hundred forty-three thousand, six hundred twenty-three".