117023620 has 96 divisors (see below), whose sum is σ = 290981376. Its totient is φ = 38707200.

The previous prime is 117023617. The next prime is 117023623. The reversal of 117023620 is 26320711.

It is an interprime number because it is at equal distance from previous prime (117023617) and next prime (117023623).

It is a junction number, because it is equal to n+sod(n) for n = 117023591 and 117023600.

It is not an unprimeable number, because it can be changed into a prime (117023623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606244 + ... + 606436.

It is an arithmetic number, because the mean of its divisors is an integer number (3031056).

Almost surely, 2^117023620 is an apocalyptic number.

117023620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117023620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145490688).

117023620 is an abundant number, since it is smaller than the sum of its proper divisors (173957756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117023620 is a wasteful number, since it uses less digits than its factorization.

117023620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 117023620 is about 10817.7456061788. The cubic root of 117023620 is about 489.1302354813.

The spelling of 117023620 in words is "one hundred seventeen million, twenty-three thousand, six hundred twenty".