169123321234 has 16 divisors (see below), whose sum is σ = 290099654208. Its totient is φ = 72437933232.

The previous prime is 169123321183. The next prime is 169123321259. The reversal of 169123321234 is 432123321961.

It is a junction number, because it is equal to n+sod(n) for n = 169123321193 and 169123321202.

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, 3600009 + ... + 3646684.

It is an arithmetic number, because the mean of its divisors is an integer number (18131228388).

Almost surely, 2^169123321234 is an apocalyptic number.

169123321234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

169123321234 is a deficient number, since it is larger than the sum of its proper divisors (120976332974).

169123321234 is a wasteful number, since it uses less digits than its factorization.

169123321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248369.

The product of its digits is 46656, while the sum is 37.

The spelling of 169123321234 in words is "one hundred sixty-nine billion, one hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-four".