2146457023 has 4 divisors (see below), whose sum is σ = 2146579848. Its totient is φ = 2146334200.

The previous prime is 2146457021. The next prime is 2146457039. The reversal of 2146457023 is 3207546412.

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 2146457023 - 2¹ = 2146457021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2146457023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146457021) 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, 29761 + ... + 71962.

It is an arithmetic number, because the mean of its divisors is an integer number (536644962).

Almost surely, 2^2146457023 is an apocalyptic number.

2146457023 is a deficient number, since it is larger than the sum of its proper divisors (122825).

2146457023 is a wasteful number, since it uses less digits than its factorization.

2146457023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122824.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2146457023 is about 46329.8718215365. The cubic root of 2146457023 is about 1289.9535313670.

It can be divided in two parts, 21464 and 57023, that added together give a palindrome (78487).

The spelling of 2146457023 in words is "two billion, one hundred forty-six million, four hundred fifty-seven thousand, twenty-three".