147256723 has 2 divisors, whose sum is σ = 147256724. Its totient is φ = 147256722.

The previous prime is 147256721. The next prime is 147256757. The reversal of 147256723 is 327652741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147256723 - 2¹ = 147256721 is a prime.

Together with 147256721, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (147256721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73628361 + 73628362.

It is an arithmetic number, because the mean of its divisors is an integer number (73628362).

Almost surely, 2^147256723 is an apocalyptic number.

147256723 is a deficient number, since it is larger than the sum of its proper divisors (1).

147256723 is an equidigital number, since it uses as much as digits as its factorization.

147256723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 147256723 is about 12134.9381127388. The cubic root of 147256723 is about 528.0702613015.

The spelling of 147256723 in words is "one hundred forty-seven million, two hundred fifty-six thousand, seven hundred twenty-three".