2142403000 has 32 divisors (see below), whose sum is σ = 5013225360. Its totient is φ = 856960800.

The previous prime is 2142402991. The next prime is 2142403001. The reversal of 2142403000 is 3042412.

It is a super-2 number, since 2×2142403000² = 9179781228818000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142403001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070202 + ... + 1072201.

Almost surely, 2^2142403000 is an apocalyptic number.

2142403000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142403000 is an abundant number, since it is smaller than the sum of its proper divisors (2870822360).

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

2142403000 is a wasteful number, since it uses less digits than its factorization.

2142403000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142424 (or 2142410 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2142403000 is about 46286.0994252054. The cubic root of 2142403000 is about 1289.1409058768.

Adding to 2142403000 its reverse (3042412), we get a palindrome (2145445412).

The spelling of 2142403000 in words is "two billion, one hundred forty-two million, four hundred three thousand".