123470446647 has 16 divisors (see below), whose sum is σ = 171891099648. Its totient is φ = 78686134560.

The previous prime is 123470446643. The next prime is 123470446709. The reversal of 123470446647 is 746644074321.

It is not a de Polignac number, because 123470446647 - 2² = 123470446643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123470446596 and 123470446605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123470446643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440103 + ... + 663800.

It is an arithmetic number, because the mean of its divisors is an integer number (10743193728).

Almost surely, 2^123470446647 is an apocalyptic number.

123470446647 is a deficient number, since it is larger than the sum of its proper divisors (48420653001).

123470446647 is a wasteful number, since it uses less digits than its factorization.

123470446647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105550.

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 123470446647 in words is "one hundred twenty-three billion, four hundred seventy million, four hundred forty-six thousand, six hundred forty-seven".