106423615 has 4 divisors (see below), whose sum is σ = 127708344. Its totient is φ = 85138888.

The previous prime is 106423613. The next prime is 106423627. The reversal of 106423615 is 516324601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106423615 - 2¹ = 106423613 is a prime.

It is a super-2 number, since 2×106423615² = 22651971659336450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106423613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10642357 + ... + 10642366.

It is an arithmetic number, because the mean of its divisors is an integer number (31927086).

Almost surely, 2^106423615 is an apocalyptic number.

106423615 is a deficient number, since it is larger than the sum of its proper divisors (21284729).

106423615 is an equidigital number, since it uses as much as digits as its factorization.

106423615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284728.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 106423615 is about 10316.1821911015. The cubic root of 106423615 is about 473.8919546386.

The spelling of 106423615 in words is "one hundred six million, four hundred twenty-three thousand, six hundred fifteen".