142401723 has 16 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 93024000.

The previous prime is 142401719. The next prime is 142401731. The reversal of 142401723 is 327104241.

It is a happy number.

It is not a de Polignac number, because 142401723 - 2² = 142401719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142401693 and 142401702.

It is not an unprimeable number, because it can be changed into a prime (142401703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27598 + ... + 32348.

It is an arithmetic number, because the mean of its divisors is an integer number (12108096).

Almost surely, 2^142401723 is an apocalyptic number.

142401723 is a deficient number, since it is larger than the sum of its proper divisors (51327813).

142401723 is a wasteful number, since it uses less digits than its factorization.

142401723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142401723 is about 11933.2193057867. The cubic root of 142401723 is about 522.2018603918.

Adding to 142401723 its reverse (327104241), we get a palindrome (469505964).

The spelling of 142401723 in words is "one hundred forty-two million, four hundred one thousand, seven hundred twenty-three".