8123461493 has 8 divisors (see below), whose sum is σ = 9306011520. Its totient is φ = 6946425360.

The previous prime is 8123461477. The next prime is 8123461547. The reversal of 8123461493 is 3941643218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8123461493 - 2⁴ = 8123461477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8123461493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123461403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375313 + ... + 1381206.

It is an arithmetic number, because the mean of its divisors is an integer number (1163251440).

Almost surely, 2^8123461493 is an apocalyptic number.

It is an amenable number.

8123461493 is a deficient number, since it is larger than the sum of its proper divisors (1182550027).

8123461493 is a wasteful number, since it uses less digits than its factorization.

8123461493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756947.

The product of its digits is 124416, while the sum is 41.

The square root of 8123461493 is about 90130.2473812205. The cubic root of 8123461493 is about 2010.2359807261.

The spelling of 8123461493 in words is "eight billion, one hundred twenty-three million, four hundred sixty-one thousand, four hundred ninety-three".