1047720110723 has 16 divisors (see below), whose sum is σ = 1230916823136. Its totient is φ = 879185072640.

The previous prime is 1047720110711. The next prime is 1047720110729. The reversal of 1047720110723 is 3270110277401.

It is a Cunningham number, because it is equal to 1023582²-1.

It is a cyclic number.

It is not a de Polignac number, because 1047720110723 - 2²² = 1047715916419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1047720110729) 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, 11212865 + ... + 11305917.

It is an arithmetic number, because the mean of its divisors is an integer number (76932301446).

Almost surely, 2^{1047720110723} is an apocalyptic number.

1047720110723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1047720110723 is a deficient number, since it is larger than the sum of its proper divisors (183196712413).

1047720110723 is a wasteful number, since it uses less digits than its factorization.

1047720110723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171814.

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 1047720110723 in words is "one trillion, forty-seven billion, seven hundred twenty million, one hundred ten thousand, seven hundred twenty-three".