123332545 has 24 divisors (see below), whose sum is σ = 172141632. Its totient is φ = 83096640.

The previous prime is 123332543. The next prime is 123332567. The reversal of 123332545 is 545233321.

It is not a de Polignac number, because 123332545 - 2¹ = 123332543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123332543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129762 + ... + 130708.

It is an arithmetic number, because the mean of its divisors is an integer number (7172568).

Almost surely, 2^123332545 is an apocalyptic number.

It is an amenable number.

123332545 is a deficient number, since it is larger than the sum of its proper divisors (48809087).

123332545 is an frugal number, since it uses more digits than its factorization.

123332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1020 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 123332545 is about 11105.5186731643. The cubic root of 123332545 is about 497.7667668566.

Adding to 123332545 its reverse (545233321), we get a palindrome (668565866).

It can be divided in two parts, 12333 and 2545, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 123332545 in words is "one hundred twenty-three million, three hundred thirty-two thousand, five hundred forty-five".