100523070 has 48 divisors (see below), whose sum is σ = 263783520. Its totient is φ = 26557632.

The previous prime is 100523069. The next prime is 100523119. The reversal of 100523070 is 70325001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4687 + ... + 14933.

It is an arithmetic number, because the mean of its divisors is an integer number (5495490).

Almost surely, 2^100523070 is an apocalyptic number.

100523070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100523070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131891760).

100523070 is an abundant number, since it is smaller than the sum of its proper divisors (163260450).

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

100523070 is a wasteful number, since it uses less digits than its factorization.

100523070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369 (or 10366 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 100523070 is about 10026.1193888762. The cubic root of 100523070 is about 464.9667683501.

Adding to 100523070 its reverse (70325001), we get a palindrome (170848071).

The spelling of 100523070 in words is "one hundred million, five hundred twenty-three thousand, seventy".