72004452123 has 8 divisors (see below), whose sum is σ = 97358132736. Its totient is φ = 47326869800.

The previous prime is 72004452103. The next prime is 72004452127. The reversal of 72004452123 is 32125440027.

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 72004452123 - 2⁹ = 72004451611 is a prime.

It is a super-2 number, since 2×72004452123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72004452127) 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, 169024323 + ... + 169024748.

It is an arithmetic number, because the mean of its divisors is an integer number (12169766592).

Almost surely, 2^72004452123 is an apocalyptic number.

72004452123 is a deficient number, since it is larger than the sum of its proper divisors (25353680613).

72004452123 is a wasteful number, since it uses less digits than its factorization.

72004452123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338049145.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 72004452123 in words is "seventy-two billion, four million, four hundred fifty-two thousand, one hundred twenty-three".