1423142502 has 16 divisors (see below), whose sum is σ = 2847059712. Its totient is φ = 474251720.

The previous prime is 1423142489. The next prime is 1423142509. The reversal of 1423142502 is 2052413241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423142509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6858 + ... + 53789.

It is an arithmetic number, because the mean of its divisors is an integer number (177941232).

Almost surely, 2^1423142502 is an apocalyptic number.

1423142502 is an abundant number, since it is smaller than the sum of its proper divisors (1423917210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423142502 is a wasteful number, since it uses less digits than its factorization.

1423142502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64563.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1423142502 is about 37724.5609914814. The cubic root of 1423142502 is about 1124.8193954028.

Adding to 1423142502 its reverse (2052413241), we get a palindrome (3475555743).

The spelling of 1423142502 in words is "one billion, four hundred twenty-three million, one hundred forty-two thousand, five hundred two".