1117555023 has 8 divisors (see below), whose sum is σ = 1604694448. Its totient is φ = 687726144.

The previous prime is 1117555013. The next prime is 1117555031. The reversal of 1117555023 is 3205557111.

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

It is not a de Polignac number, because 1117555023 - 2⁴ = 1117555007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117555013) 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, 14327590 + ... + 14327667.

It is an arithmetic number, because the mean of its divisors is an integer number (200586806).

Almost surely, 2^1117555023 is an apocalyptic number.

1117555023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1117555023 is a deficient number, since it is larger than the sum of its proper divisors (487139425).

1117555023 is a wasteful number, since it uses less digits than its factorization.

1117555023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28655273.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 1117555023 is about 33429.8522730807. The cubic root of 1117555023 is about 1037.7425835816.

The spelling of 1117555023 in words is "one billion, one hundred seventeen million, five hundred fifty-five thousand, twenty-three".