147138023 has 2 divisors, whose sum is σ = 147138024. Its totient is φ = 147138022.

The previous prime is 147137999. The next prime is 147138031. The reversal of 147138023 is 320831741.

147138023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147138023 - 2¹⁰ = 147136999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147138073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73569011 + 73569012.

It is an arithmetic number, because the mean of its divisors is an integer number (73569012).

Almost surely, 2^147138023 is an apocalyptic number.

147138023 is a deficient number, since it is larger than the sum of its proper divisors (1).

147138023 is an equidigital number, since it uses as much as digits as its factorization.

147138023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 147138023 is about 12130.0462901013. The cubic root of 147138023 is about 527.9283350373.

Adding to 147138023 its reverse (320831741), we get a palindrome (467969764).

The spelling of 147138023 in words is "one hundred forty-seven million, one hundred thirty-eight thousand, twenty-three".