153531640155323 has 4 divisors (see below), whose sum is σ = 153532518401448. Its totient is φ = 153530761909200.

The previous prime is 153531640155319. The next prime is 153531640155331. The reversal of 153531640155323 is 323551046135351.

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

It is a cyclic number.

It is not a de Polignac number, because 153531640155323 - 2² = 153531640155319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153531640155353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438860786 + ... + 439210487.

It is an arithmetic number, because the mean of its divisors is an integer number (38383129600362).

Almost surely, 2^{153531640155323} is an apocalyptic number.

153531640155323 is a deficient number, since it is larger than the sum of its proper divisors (878246125).

153531640155323 is an equidigital number, since it uses as much as digits as its factorization.

153531640155323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878246124.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 153531640155323 in words is "one hundred fifty-three trillion, five hundred thirty-one billion, six hundred forty million, one hundred fifty-five thousand, three hundred twenty-three".