123033430434 has 32 divisors (see below), whose sum is σ = 249467722560. Its totient is φ = 40444468992.

The previous prime is 123033430393. The next prime is 123033430459. The reversal of 123033430434 is 434034330321.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6336489 + ... + 6355875.

It is an arithmetic number, because the mean of its divisors is an integer number (7795866330).

Almost surely, 2^123033430434 is an apocalyptic number.

123033430434 is an abundant number, since it is smaller than the sum of its proper divisors (126434292126).

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

123033430434 is a wasteful number, since it uses less digits than its factorization.

123033430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33954.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 123033430434 its reverse (434034330321), we get a palindrome (557067760755).

The spelling of 123033430434 in words is "one hundred twenty-three billion, thirty-three million, four hundred thirty thousand, four hundred thirty-four".