100723018 has 16 divisors (see below), whose sum is σ = 166082400. Its totient is φ = 45432400.

The previous prime is 100723013. The next prime is 100723031. The reversal of 100723018 is 810327001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a self number, because there is not a number n which added to its sum of digits gives 100723018.

It is not an unprimeable number, because it can be changed into a prime (100723013) 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, 14593 + ... + 20356.

It is an arithmetic number, because the mean of its divisors is an integer number (10380150).

Almost surely, 2^100723018 is an apocalyptic number.

100723018 is a deficient number, since it is larger than the sum of its proper divisors (65359382).

100723018 is a wasteful number, since it uses less digits than its factorization.

100723018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35093.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 100723018 is about 10036.0857907852. The cubic root of 100723018 is about 465.2748488816.

It can be divided in two parts, 1007 and 23018, that added together give a square (24025 = 155²).

The spelling of 100723018 in words is "one hundred million, seven hundred twenty-three thousand, eighteen".