153938350823 has 4 divisors (see below), whose sum is σ = 154194488448. Its totient is φ = 153682213200.

The previous prime is 153938350807. The next prime is 153938350831. The reversal of 153938350823 is 328053839351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328053839351 = 7 ⋅46864834193.

It is a cyclic number.

It is not a de Polignac number, because 153938350823 - 2⁴ = 153938350807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153938350523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128067911 + ... + 128069112.

It is an arithmetic number, because the mean of its divisors is an integer number (38548622112).

Almost surely, 2^153938350823 is an apocalyptic number.

153938350823 is a deficient number, since it is larger than the sum of its proper divisors (256137625).

153938350823 is an equidigital number, since it uses as much as digits as its factorization.

153938350823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256137624.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 153938350823 in words is "one hundred fifty-three billion, nine hundred thirty-eight million, three hundred fifty thousand, eight hundred twenty-three".