101223489 has 16 divisors (see below), whose sum is σ = 136429632. Its totient is φ = 66754368.

The previous prime is 101223467. The next prime is 101223497. The reversal of 101223489 is 984322101.

It is not a de Polignac number, because 101223489 - 2⁷ = 101223361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101223439) 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, 154687 + ... + 155339.

It is an arithmetic number, because the mean of its divisors is an integer number (8526852).

Almost surely, 2^101223489 is an apocalyptic number.

It is an amenable number.

101223489 is a deficient number, since it is larger than the sum of its proper divisors (35206143).

101223489 is a wasteful number, since it uses less digits than its factorization.

101223489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 101223489 is about 10060.9884703244. The cubic root of 101223489 is about 466.0441929145.

The spelling of 101223489 in words is "one hundred one million, two hundred twenty-three thousand, four hundred eighty-nine".