120142423323 has 24 divisors (see below), whose sum is σ = 187632834480. Its totient is φ = 73639224000.

The previous prime is 120142423319. The next prime is 120142423337. The reversal of 120142423323 is 323324241021.

120142423323 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 424 + 233 + 2 + 3 = 666.

It is not a de Polignac number, because 120142423323 - 2² = 120142423319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120142423393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2016168 + ... + 2074901.

It is an arithmetic number, because the mean of its divisors is an integer number (7818034770).

Almost surely, 2^120142423323 is an apocalyptic number.

120142423323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120142423323 is a deficient number, since it is larger than the sum of its proper divisors (67490411157).

120142423323 is a wasteful number, since it uses less digits than its factorization.

120142423323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091339 (or 4091336 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 120142423323 its reverse (323324241021), we get a palindrome (443466664344).

The spelling of 120142423323 in words is "one hundred twenty billion, one hundred forty-two million, four hundred twenty-three thousand, three hundred twenty-three".