72323353157365 has 4 divisors (see below), whose sum is σ = 86788023788844. Its totient is φ = 57858682525888.

The previous prime is 72323353157329. The next prime is 72323353157401. The reversal of 72323353157365 is 56375135332327.

It is a happy number.

72323353157365 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72323353157329) and next prime (72323353157401).

It can be written as a sum of positive squares in 2 ways, for example, as 21311675232849 + 51011677924516 = 4616457^2 + 7142246^2 .

It is a cyclic number.

It is not a de Polignac number, because 72323353157365 - 2¹⁷ = 72323353026293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7232335315732 + ... + 7232335315741.

It is an arithmetic number, because the mean of its divisors is an integer number (21697005947211).

Almost surely, 2^{72323353157365} is an apocalyptic number.

It is an amenable number.

72323353157365 is a deficient number, since it is larger than the sum of its proper divisors (14464670631479).

72323353157365 is a wasteful number, since it uses less digits than its factorization.

72323353157365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14464670631478.

The product of its digits is 35721000, while the sum is 55.

The spelling of 72323353157365 in words is "seventy-two trillion, three hundred twenty-three billion, three hundred fifty-three million, one hundred fifty-seven thousand, three hundred sixty-five".