123151920710 has 384 divisors, whose sum is σ = 301222333440. Its totient is φ = 35355820032.

The previous prime is 123151920709. The next prime is 123151920719. The reversal of 123151920710 is 17029151321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123151920719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1150952477 + ... + 1150952583.

It is an arithmetic number, because the mean of its divisors is an integer number (784433160).

Almost surely, 2^123151920710 is an apocalyptic number.

123151920710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123151920710 is an abundant number, since it is smaller than the sum of its proper divisors (178070412730).

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

123151920710 is a wasteful number, since it uses less digits than its factorization.

123151920710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 32.

The spelling of 123151920710 in words is "one hundred twenty-three billion, one hundred fifty-one million, nine hundred twenty thousand, seven hundred ten".