2142023603 has 4 divisors (see below), whose sum is σ = 2235155088. Its totient is φ = 2048892120.

The previous prime is 2142023599. The next prime is 2142023621. The reversal of 2142023603 is 3063202412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142023603 - 2² = 2142023599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 93131461 = 2142023603 / (2 + 1 + 4 + 2 + 0 + 2 + 3 + 6 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (2142023623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46565708 + ... + 46565753.

It is an arithmetic number, because the mean of its divisors is an integer number (558788772).

Almost surely, 2^2142023603 is an apocalyptic number.

2142023603 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142023603 is a deficient number, since it is larger than the sum of its proper divisors (93131485).

2142023603 is an equidigital number, since it uses as much as digits as its factorization.

2142023603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93131484.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2142023603 is about 46282.0008534635. Note that the first 3 decimals coincide. The cubic root of 2142023603 is about 1289.0648036268.

The spelling of 2142023603 in words is "two billion, one hundred forty-two million, twenty-three thousand, six hundred three".