2123433541 has 4 divisors (see below), whose sum is σ = 2159424000. Its totient is φ = 2087443084.

The previous prime is 2123433527. The next prime is 2123433547. The reversal of 2123433541 is 1453343212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123433541 - 2⁵ = 2123433509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123433547) 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, 17995141 + ... + 17995258.

It is an arithmetic number, because the mean of its divisors is an integer number (539856000).

Almost surely, 2^2123433541 is an apocalyptic number.

It is an amenable number.

2123433541 is a deficient number, since it is larger than the sum of its proper divisors (35990459).

2123433541 is an equidigital number, since it uses as much as digits as its factorization.

2123433541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35990458.

The product of its digits is 8640, while the sum is 28.

The square root of 2123433541 is about 46080.7285207168. The cubic root of 2123433541 is about 1285.3248112269.

Adding to 2123433541 its reverse (1453343212), we get a palindrome (3576776753).

The spelling of 2123433541 in words is "two billion, one hundred twenty-three million, four hundred thirty-three thousand, five hundred forty-one".