23355445 has 16 divisors (see below), whose sum is σ = 29211840. Its totient is φ = 17910400.

The previous prime is 23355439. The next prime is 23355487. The reversal of 23355445 is 54455332.

It is a happy number.

It is not a de Polignac number, because 23355445 - 2⁵ = 23355413 is a prime.

It is a super-2 number, since 2×23355445² = 1090953622296050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11130 + ... + 13060.

It is an arithmetic number, because the mean of its divisors is an integer number (1825740).

Almost surely, 2^23355445 is an apocalyptic number.

It is an amenable number.

23355445 is a deficient number, since it is larger than the sum of its proper divisors (5856395).

23355445 is a wasteful number, since it uses less digits than its factorization.

23355445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036.

The product of its digits is 36000, while the sum is 31.

The square root of 23355445 is about 4832.7471483619. The cubic root of 23355445 is about 285.8441984799.

The spelling of 23355445 in words is "twenty-three million, three hundred fifty-five thousand, four hundred forty-five".