120143623 has 2 divisors, whose sum is σ = 120143624. Its totient is φ = 120143622.

The previous prime is 120143581. The next prime is 120143659. The reversal of 120143623 is 326341021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120143623 - 2²¹ = 118046471 is a prime.

It is a super-2 number, since 2×120143623² = 28868980295132258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120143594 and 120143603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120143123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60071811 + 60071812.

It is an arithmetic number, because the mean of its divisors is an integer number (60071812).

Almost surely, 2^120143623 is an apocalyptic number.

120143623 is a deficient number, since it is larger than the sum of its proper divisors (1).

120143623 is an equidigital number, since it uses as much as digits as its factorization.

120143623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 120143623 is about 10961.0046528592. The cubic root of 120143623 is about 493.4391168437.

Adding to 120143623 its reverse (326341021), we get a palindrome (446484644).

The spelling of 120143623 in words is "one hundred twenty million, one hundred forty-three thousand, six hundred twenty-three".