2142023423 has 2 divisors, whose sum is σ = 2142023424. Its totient is φ = 2142023422.

The previous prime is 2142023417. The next prime is 2142023467. The reversal of 2142023423 is 3243202412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142023423 - 2²⁶ = 2074914559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142023623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071011711 + 1071011712.

It is an arithmetic number, because the mean of its divisors is an integer number (1071011712).

Almost surely, 2^2142023423 is an apocalyptic number.

2142023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142023423 is an equidigital number, since it uses as much as digits as its factorization.

2142023423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2142023423 is about 46281.9989088630. The cubic root of 2142023423 is about 1289.0647675189.

Adding to 2142023423 its reverse (3243202412), we get a palindrome (5385225835).

The spelling of 2142023423 in words is "two billion, one hundred forty-two million, twenty-three thousand, four hundred twenty-three".