78303000623 has 2 divisors, whose sum is σ = 78303000624. Its totient is φ = 78303000622.

The previous prime is 78303000577. The next prime is 78303000631. The reversal of 78303000623 is 32600030387.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78303000623 - 2⁸ = 78303000367 is a prime.

It is a super-2 number, since 2×78303000623² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78303000623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78303000683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39151500311 + 39151500312.

It is an arithmetic number, because the mean of its divisors is an integer number (39151500312).

Almost surely, 2^78303000623 is an apocalyptic number.

78303000623 is a deficient number, since it is larger than the sum of its proper divisors (1).

78303000623 is an equidigital number, since it uses as much as digits as its factorization.

78303000623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 78303000623 in words is "seventy-eight billion, three hundred three million, six hundred twenty-three", and thus it is an aban number.