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120033030023 = 983122108881
BaseRepresentation
bin110111111001010000…
…1101010111110000111
3102110211022022201011122
41233302201222332013
53431311423430043
6131050432224155
711446346630564
oct1576241527607
9373738281148
10120033030023
11469a6575065
121b31a99b05b
13b41bcb056a
145b498a386b
1531c7d2c368
hex1bf286af87

120033030023 has 4 divisors (see below), whose sum is σ = 120155139888. Its totient is φ = 119910920160.

The previous prime is 120033030017. The next prime is 120033030049. The reversal of 120033030023 is 320030330021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320030330021 = 454513704117.

It is a cyclic number.

It is not a de Polignac number, because 120033030023 - 218 = 120032767879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120033029983 and 120033030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120033630023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61053458 + ... + 61055423.

It is an arithmetic number, because the mean of its divisors is an integer number (30038784972).

Almost surely, 2120033030023 is an apocalyptic number.

120033030023 is a deficient number, since it is larger than the sum of its proper divisors (122109865).

120033030023 is an equidigital number, since it uses as much as digits as its factorization.

120033030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122109864.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 120033030023 its reverse (320030330021), we get a palindrome (440063360044).

The spelling of 120033030023 in words is "one hundred twenty billion, thirty-three million, thirty thousand, twenty-three".

Divisors: 1 983 122108881 120033030023