106523290 has 16 divisors (see below), whose sum is σ = 192360168. Its totient is φ = 42471936.

The previous prime is 106523273. The next prime is 106523297. The reversal of 106523290 is 92325601.

It can be written as a sum of positive squares in 4 ways, for example, as 61324561 + 45198729 = 7831^2 + 6723^2 .

It is a super-2 number, since 2×106523290² = 22694422624848200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106523297) 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, 13887 + ... + 20146.

Almost surely, 2^106523290 is an apocalyptic number.

106523290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106523290 is a deficient number, since it is larger than the sum of its proper divisors (85836878).

106523290 is a wasteful number, since it uses less digits than its factorization.

106523290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34353.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 106523290 is about 10321.0120627776. The cubic root of 106523290 is about 474.0398555270.

Adding to 106523290 its reverse (92325601), we get a palindrome (198848891).

The spelling of 106523290 in words is "one hundred six million, five hundred twenty-three thousand, two hundred ninety".