123036890 has 16 divisors (see below), whose sum is σ = 231095808. Its totient is φ = 47074896.

The previous prime is 123036883. The next prime is 123036917. The reversal of 123036890 is 98630321.

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, 267242 + ... + 267701.

It is an arithmetic number, because the mean of its divisors is an integer number (14443488).

Almost surely, 2^123036890 is an apocalyptic number.

123036890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123036890 is a deficient number, since it is larger than the sum of its proper divisors (108058918).

123036890 is a wasteful number, since it uses less digits than its factorization.

123036890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534973.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 123036890 is about 11092.1995113683. The cubic root of 123036890 is about 497.3686967780.

The spelling of 123036890 in words is "one hundred twenty-three million, thirty-six thousand, eight hundred ninety".