123532479 has 32 divisors (see below), whose sum is σ = 213440000. Its totient is φ = 70584696.

The previous prime is 123532477. The next prime is 123532483. The reversal of 123532479 is 974235321.

It is not a de Polignac number, because 123532479 - 2¹ = 123532477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123532477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2592 + ... + 15930.

It is an arithmetic number, because the mean of its divisors is an integer number (6670000).

Almost surely, 2^123532479 is an apocalyptic number.

123532479 is a deficient number, since it is larger than the sum of its proper divisors (89907521).

123532479 is an equidigital number, since it uses as much as digits as its factorization.

123532479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369 (or 13349 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 123532479 is about 11114.5165886781. The cubic root of 123532479 is about 498.0355976876.

The spelling of 123532479 in words is "one hundred twenty-three million, five hundred thirty-two thousand, four hundred seventy-nine".