107723147731 has 4 divisors (see below), whose sum is σ = 108711433600. Its totient is φ = 106734861864.

The previous prime is 107723147723. The next prime is 107723147747. The reversal of 107723147731 is 137741327701.

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

It is a cyclic number.

It is not a de Polignac number, because 107723147731 - 2³ = 107723147723 is a prime.

It is a super-2 number, since 2×107723147731² (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 (107723147761) 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, 494142771 + ... + 494142988.

It is an arithmetic number, because the mean of its divisors is an integer number (27177858400).

Almost surely, 2^107723147731 is an apocalyptic number.

107723147731 is a deficient number, since it is larger than the sum of its proper divisors (988285869).

107723147731 is an equidigital number, since it uses as much as digits as its factorization.

107723147731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988285868.

The product of its (nonzero) digits is 172872, while the sum is 43.

The spelling of 107723147731 in words is "one hundred seven billion, seven hundred twenty-three million, one hundred forty-seven thousand, seven hundred thirty-one".