142261323 has 4 divisors (see below), whose sum is σ = 189681768. Its totient is φ = 94840880.

The previous prime is 142261313. The next prime is 142261363. The reversal of 142261323 is 323162241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142261323 - 2⁴ = 142261307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142261293 and 142261302.

It is not an unprimeable number, because it can be changed into a prime (142261313) 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, 23710218 + ... + 23710223.

It is an arithmetic number, because the mean of its divisors is an integer number (47420442).

Almost surely, 2^142261323 is an apocalyptic number.

142261323 is a deficient number, since it is larger than the sum of its proper divisors (47420445).

142261323 is an equidigital number, since it uses as much as digits as its factorization.

142261323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47420444.

The product of its digits is 1728, while the sum is 24.

The square root of 142261323 is about 11927.3351172842. The cubic root of 142261323 is about 522.0301835133.

The spelling of 142261323 in words is "one hundred forty-two million, two hundred sixty-one thousand, three hundred twenty-three".