101323409 has 16 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 86711760.

The previous prime is 101323393. The next prime is 101323433. The reversal of 101323409 is 904323101.

It is a cyclic number.

It is not a de Polignac number, because 101323409 - 2⁴ = 101323393 is a prime.

It is a super-2 number, since 2×101323409² = 20532866422762562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101323459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33452 + ... + 36354.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^101323409 is an apocalyptic number.

101323409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101323409 is a deficient number, since it is larger than the sum of its proper divisors (15765871).

101323409 is a wasteful number, since it uses less digits than its factorization.

101323409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 101323409 is about 10065.9529603510. The cubic root of 101323409 is about 466.1974900794.

The spelling of 101323409 in words is "one hundred one million, three hundred twenty-three thousand, four hundred nine".