8140907923 has 8 divisors (see below), whose sum is σ = 8485108736. Its totient is φ = 7801806600.

The previous prime is 8140907921. The next prime is 8140907933. The reversal of 8140907923 is 3297090418.

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

It is a cyclic number.

It is not a de Polignac number, because 8140907923 - 2¹ = 8140907921 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 8140907923.

It is not an unprimeable number, because it can be changed into a prime (8140907921) 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, 1271613 + ... + 1277998.

It is an arithmetic number, because the mean of its divisors is an integer number (1060638592).

Almost surely, 2^8140907923 is an apocalyptic number.

8140907923 is a deficient number, since it is larger than the sum of its proper divisors (344200813).

8140907923 is a wasteful number, since it uses less digits than its factorization.

8140907923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549745.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 8140907923 is about 90226.9800170658. The cubic root of 8140907923 is about 2011.6740525831.

The spelling of 8140907923 in words is "eight billion, one hundred forty million, nine hundred seven thousand, nine hundred twenty-three".