123312755090 has 16 divisors (see below), whose sum is σ = 253671953472. Its totient is φ = 42278658864.

The previous prime is 123312755087. The next prime is 123312755099. The reversal of 123312755090 is 90557213321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123312755099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880805324 + ... + 880805463.

It is an arithmetic number, because the mean of its divisors is an integer number (15854497092).

Almost surely, 2^123312755090 is an apocalyptic number.

123312755090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123312755090 is an abundant number, since it is smaller than the sum of its proper divisors (130359198382).

123312755090 is a wasteful number, since it uses less digits than its factorization.

123312755090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761610801.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 123312755090 in words is "one hundred twenty-three billion, three hundred twelve million, seven hundred fifty-five thousand, ninety".