147299623 has 2 divisors, whose sum is σ = 147299624. Its totient is φ = 147299622.

The previous prime is 147299617. The next prime is 147299683. The reversal of 147299623 is 326992741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147299623 - 2²¹ = 145202471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147299623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147299683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73649811 + 73649812.

It is an arithmetic number, because the mean of its divisors is an integer number (73649812).

Almost surely, 2^147299623 is an apocalyptic number.

147299623 is a deficient number, since it is larger than the sum of its proper divisors (1).

147299623 is an equidigital number, since it uses as much as digits as its factorization.

147299623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 147299623 is about 12136.7056073714. The cubic root of 147299623 is about 528.1215368656.

The spelling of 147299623 in words is "one hundred forty-seven million, two hundred ninety-nine thousand, six hundred twenty-three".