147623208123 has 4 divisors (see below), whose sum is σ = 196830944168. Its totient is φ = 98415472080.

The previous prime is 147623208113. The next prime is 147623208143. The reversal of 147623208123 is 321802326741.

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

It is not a de Polignac number, because 147623208123 - 2¹⁰ = 147623207099 is a prime.

It is a super-2 number, since 2×147623208123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147623208113) 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, 24603868018 + ... + 24603868023.

It is an arithmetic number, because the mean of its divisors is an integer number (49207736042).

Almost surely, 2^147623208123 is an apocalyptic number.

147623208123 is a deficient number, since it is larger than the sum of its proper divisors (49207736045).

147623208123 is an equidigital number, since it uses as much as digits as its factorization.

147623208123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49207736044.

The product of its (nonzero) digits is 96768, while the sum is 39.

It can be divided in two parts, 147623 and 208123, that added together give a triangular number (355746 = T₈₄₃).

The spelling of 147623208123 in words is "one hundred forty-seven billion, six hundred twenty-three million, two hundred eight thousand, one hundred twenty-three".