123344045 has 16 divisors (see below), whose sum is σ = 163043712. Its totient is φ = 88829760.

The previous prime is 123344003. The next prime is 123344063. The reversal of 123344045 is 540443321.

It is not a de Polignac number, because 123344045 - 2¹⁰ = 123343021 is a prime.

It is a Duffinian number.

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, 5222 + ... + 16551.

It is an arithmetic number, because the mean of its divisors is an integer number (10190232).

Almost surely, 2^123344045 is an apocalyptic number.

It is an amenable number.

123344045 is a deficient number, since it is larger than the sum of its proper divisors (39699667).

123344045 is a wasteful number, since it uses less digits than its factorization.

123344045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21892.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 123344045 is about 11106.0364216943. The cubic root of 123344045 is about 497.7822376039.

Adding to 123344045 its reverse (540443321), we get a palindrome (663787366).

The spelling of 123344045 in words is "one hundred twenty-three million, three hundred forty-four thousand, forty-five".