123405034 has 16 divisors (see below), whose sum is σ = 192880800. Its totient is φ = 59142384.

The previous prime is 123405001. The next prime is 123405047. The reversal of 123405034 is 430504321.

It is a junction number, because it is equal to n+sod(n) for n = 123404996 and 123405014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (12055050).

Almost surely, 2^123405034 is an apocalyptic number.

123405034 is a deficient number, since it is larger than the sum of its proper divisors (69475766).

123405034 is a wasteful number, since it uses less digits than its factorization.

123405034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477.

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

The square root of 123405034 is about 11108.7818414082. The cubic root of 123405034 is about 497.8642689616.

Adding to 123405034 its reverse (430504321), we get a palindrome (553909355).

The spelling of 123405034 in words is "one hundred twenty-three million, four hundred five thousand, thirty-four".