72323541545153 has 16 divisors (see below), whose sum is σ = 79440474453120. Its totient is φ = 65537683871616.

The previous prime is 72323541545117. The next prime is 72323541545159. The reversal of 72323541545153 is 35154514532327.

It is a cyclic number.

It is not a de Polignac number, because 72323541545153 - 2¹⁶ = 72323541479617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72323541545159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114273251 + ... + 114904407.

It is an arithmetic number, because the mean of its divisors is an integer number (4965029653320).

Almost surely, 2^{72323541545153} is an apocalyptic number.

It is an amenable number.

72323541545153 is a deficient number, since it is larger than the sum of its proper divisors (7116932907967).

72323541545153 is a wasteful number, since it uses less digits than its factorization.

72323541545153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893416.

The product of its digits is 7560000, while the sum is 50.

The spelling of 72323541545153 in words is "seventy-two trillion, three hundred twenty-three billion, five hundred forty-one million, five hundred forty-five thousand, one hundred fifty-three".