423768706497 has 6 divisors (see below), whose sum is σ = 612110353842. Its totient is φ = 282512470992.

The previous prime is 423768706483. The next prime is 423768706513. The reversal of 423768706497 is 794607867324.

It is a happy number.

423768706497 is a `hidden beast` number, since 4 + 2 + 3 + 76 + 8 + 70 + 6 + 497 = 666.

It can be written as a sum of positive squares in only one way, i.e., 329750429121 + 94018277376 = 574239^2 + 306624^2 .

It is not a de Polignac number, because 423768706497 - 2⁶ = 423768706433 is a prime.

It is a super-2 number, since 2×423768706497² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423768746497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23542705908 + ... + 23542705925.

It is an arithmetic number, because the mean of its divisors is an integer number (102018392307).

Almost surely, 2^423768706497 is an apocalyptic number.

It is an amenable number.

423768706497 is a deficient number, since it is larger than the sum of its proper divisors (188341647345).

423768706497 is a wasteful number, since it uses less digits than its factorization.

423768706497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47085411839 (or 47085411836 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 63.

The spelling of 423768706497 in words is "four hundred twenty-three billion, seven hundred sixty-eight million, seven hundred six thousand, four hundred ninety-seven".