147009623 has 2 divisors, whose sum is σ = 147009624. Its totient is φ = 147009622.

The previous prime is 147009589. The next prime is 147009649. The reversal of 147009623 is 326900741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147009623 - 2⁸ = 147009367 is a prime.

It is a super-2 number, since 2×147009623² = 43223658509204258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147009623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147009923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73504811 + 73504812.

It is an arithmetic number, because the mean of its divisors is an integer number (73504812).

Almost surely, 2^147009623 is an apocalyptic number.

147009623 is a deficient number, since it is larger than the sum of its proper divisors (1).

147009623 is an equidigital number, since it uses as much as digits as its factorization.

147009623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 147009623 is about 12124.7524923192. The cubic root of 147009623 is about 527.7747247871.

The spelling of 147009623 in words is "one hundred forty-seven million, nine thousand, six hundred twenty-three".