510023142 has 20 divisors (see below), whose sum is σ = 1142829996. Its totient is φ = 170007660.

The previous prime is 510023123. The next prime is 510023153. The reversal of 510023142 is 241320015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1573984 + ... + 1574307.

Almost surely, 2^510023142 is an apocalyptic number.

510023142 is an abundant number, since it is smaller than the sum of its proper divisors (632806854).

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

510023142 is a wasteful number, since it uses less digits than its factorization.

510023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148305 (or 3148296 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 510023142 is about 22583.6919479522. The cubic root of 510023142 is about 798.9690584785.

Adding to 510023142 its reverse (241320015), we get a palindrome (751343157).

The spelling of 510023142 in words is "five hundred ten million, twenty-three thousand, one hundred forty-two".