72258023 has 2 divisors, whose sum is σ = 72258024. Its totient is φ = 72258022.

The previous prime is 72258013. The next prime is 72258029. The reversal of 72258023 is 32085227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72258023 - 2⁸ = 72257767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72258029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36129011 + 36129012.

It is an arithmetic number, because the mean of its divisors is an integer number (36129012).

Almost surely, 2^72258023 is an apocalyptic number.

72258023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72258023 is an equidigital number, since it uses as much as digits as its factorization.

72258023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 72258023 is about 8500.4719280755. The cubic root of 72258023 is about 416.5131253649.

The spelling of 72258023 in words is "seventy-two million, two hundred fifty-eight thousand, twenty-three".