123541432 has 16 divisors (see below), whose sum is σ = 264731760. Its totient is φ = 52946304.

The previous prime is 123541403. The next prime is 123541459. The reversal of 123541432 is 234145321.

It is a super-2 number, since 2×123541432² = 30524970841221248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123541397 and 123541406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102993 + ... + 1103104.

It is an arithmetic number, because the mean of its divisors is an integer number (16545735).

Almost surely, 2^123541432 is an apocalyptic number.

It is an amenable number.

123541432 is an abundant number, since it is smaller than the sum of its proper divisors (141190328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123541432 is a wasteful number, since it uses less digits than its factorization.

123541432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206110 (or 2206106 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 123541432 is about 11114.9193429372. The cubic root of 123541432 is about 498.0476290849.

Adding to 123541432 its reverse (234145321), we get a palindrome (357686753).

The spelling of 123541432 in words is "one hundred twenty-three million, five hundred forty-one thousand, four hundred thirty-two".