123540034 has 8 divisors (see below), whose sum is σ = 185576508. Its totient is φ = 61681200.

The previous prime is 123540031. The next prime is 123540047. The reversal of 123540034 is 430045321.

It can be written as a sum of positive squares in 2 ways, for example, as 99500625 + 24039409 = 9975^2 + 4903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123539987 and 123540014.

It is not an unprimeable number, because it can be changed into a prime (123540031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42657 + ... + 45460.

Almost surely, 2^123540034 is an apocalyptic number.

123540034 is a deficient number, since it is larger than the sum of its proper divisors (62036474).

123540034 is an equidigital number, since it uses as much as digits as its factorization.

123540034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88820.

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

The square root of 123540034 is about 11114.8564543137. The cubic root of 123540034 is about 498.0457504352.

Adding to 123540034 its reverse (430045321), we get a palindrome (553585355).

The spelling of 123540034 in words is "one hundred twenty-three million, five hundred forty thousand, thirty-four".