147698693423 has 4 divisors (see below), whose sum is σ = 151690550040. Its totient is φ = 143706836808.

The previous prime is 147698693419. The next prime is 147698693509. The reversal of 147698693423 is 324396896741.

147698693423 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 324396896741 = 253109 ⋅1281649.

It is a cyclic number.

It is not a de Polignac number, because 147698693423 - 2² = 147698693419 is a prime.

It is a super-2 number, since 2×147698693423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147698690423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995928253 + ... + 1995928326.

It is an arithmetic number, because the mean of its divisors is an integer number (37922637510).

Almost surely, 2^147698693423 is an apocalyptic number.

147698693423 is a deficient number, since it is larger than the sum of its proper divisors (3991856617).

147698693423 is an equidigital number, since it uses as much as digits as its factorization.

147698693423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991856616.

The product of its digits is 47029248, while the sum is 62.

The spelling of 147698693423 in words is "one hundred forty-seven billion, six hundred ninety-eight million, six hundred ninety-three thousand, four hundred twenty-three".