72532123 has 8 divisors (see below), whose sum is σ = 74507328. Its totient is φ = 70583304.

The previous prime is 72532121. The next prime is 72532151. The reversal of 72532123 is 32123527.

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

It is a cyclic number.

It is not a de Polignac number, because 72532123 - 2¹ = 72532121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72532121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 12082.

It is an arithmetic number, because the mean of its divisors is an integer number (9313416).

Almost surely, 2^72532123 is an apocalyptic number.

72532123 is a deficient number, since it is larger than the sum of its proper divisors (1975205).

72532123 is a wasteful number, since it uses less digits than its factorization.

72532123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13193.

The product of its digits is 2520, while the sum is 25.

The square root of 72532123 is about 8516.5793015741. The cubic root of 72532123 is about 417.0391209054.

The spelling of 72532123 in words is "seventy-two million, five hundred thirty-two thousand, one hundred twenty-three".