72258123 has 8 divisors (see below), whose sum is σ = 110107648. Its totient is φ = 41290344.

The previous prime is 72258119. The next prime is 72258161. The reversal of 72258123 is 32185227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72258123 - 2² = 72258119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72258023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720411 + ... + 1720452.

It is an arithmetic number, because the mean of its divisors is an integer number (13763456).

Almost surely, 2^72258123 is an apocalyptic number.

72258123 is a deficient number, since it is larger than the sum of its proper divisors (37849525).

72258123 is a wasteful number, since it uses less digits than its factorization.

72258123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440873.

The product of its digits is 6720, while the sum is 30.

The square root of 72258123 is about 8500.4778100999. The cubic root of 72258123 is about 416.5133175064.

The spelling of 72258123 in words is "seventy-two million, two hundred fifty-eight thousand, one hundred twenty-three".