1423142042 has 16 divisors (see below), whose sum is σ = 2476086720. Its totient is φ = 600814368.

The previous prime is 1423142023. The next prime is 1423142087. The reversal of 1423142042 is 2402413241.

It is a junction number, because it is equal to n+sod(n) for n = 1423141999 and 1423142017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757667 + ... + 759542.

It is an arithmetic number, because the mean of its divisors is an integer number (154755420).

Almost surely, 2^1423142042 is an apocalyptic number.

1423142042 is a deficient number, since it is larger than the sum of its proper divisors (1052944678).

1423142042 is a wasteful number, since it uses less digits than its factorization.

1423142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517285.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1423142042 is about 37724.5548946571. The cubic root of 1423142042 is about 1124.8192742116.

Adding to 1423142042 its reverse (2402413241), we get a palindrome (3825555283).

The spelling of 1423142042 in words is "one billion, four hundred twenty-three million, one hundred forty-two thousand, forty-two".