142723623 has 12 divisors (see below), whose sum is σ = 221367480. Its totient is φ = 81556272.

The previous prime is 142723621. The next prime is 142723627. The reversal of 142723623 is 326327241.

It is not a de Polignac number, because 142723623 - 2¹ = 142723621 is a prime.

It is a super-2 number, since 2×142723623² = 40740065124492258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142723621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485308 + ... + 485601.

It is an arithmetic number, because the mean of its divisors is an integer number (18447290).

Almost surely, 2^142723623 is an apocalyptic number.

142723623 is a deficient number, since it is larger than the sum of its proper divisors (78643857).

142723623 is an equidigital number, since it uses as much as digits as its factorization.

142723623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970926 (or 970919 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 142723623 is about 11946.6992512576. The cubic root of 142723623 is about 522.5950444837.

The spelling of 142723623 in words is "one hundred forty-two million, seven hundred twenty-three thousand, six hundred twenty-three".