123223045 has 16 divisors (see below), whose sum is σ = 163259712. Its totient is φ = 88533760.

The previous prime is 123223043. The next prime is 123223057. The reversal of 123223045 is 540322321.

It is not a de Polignac number, because 123223045 - 2¹ = 123223043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223043) 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, 8932 + ... + 18061.

It is an arithmetic number, because the mean of its divisors is an integer number (10203732).

Almost surely, 2^123223045 is an apocalyptic number.

It is an amenable number.

123223045 is a deficient number, since it is larger than the sum of its proper divisors (40036667).

123223045 is a wasteful number, since it uses less digits than its factorization.

123223045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27092.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 123223045 is about 11100.5875970599. The cubic root of 123223045 is about 497.6194102398.

Adding to 123223045 its reverse (540322321), we get a palindrome (663545366).

The spelling of 123223045 in words is "one hundred twenty-three million, two hundred twenty-three thousand, forty-five".