72630023 has 2 divisors, whose sum is σ = 72630024. Its totient is φ = 72630022.

The previous prime is 72630017. The next prime is 72630031. The reversal of 72630023 is 32003627.

It is a weak prime.

It is an emirp because it is prime and its reverse (32003627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72630023 - 2¹⁶ = 72564487 is a prime.

It is a Sophie Germain prime.

It is equal to p_4263602 and since 72630023 and 4263602 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72630043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36315011 + 36315012.

It is an arithmetic number, because the mean of its divisors is an integer number (36315012).

Almost surely, 2^72630023 is an apocalyptic number.

72630023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72630023 is an equidigital number, since it uses as much as digits as its factorization.

72630023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 72630023 is about 8522.3249762022. The cubic root of 72630023 is about 417.2266689544.

The spelling of 72630023 in words is "seventy-two million, six hundred thirty thousand, twenty-three".