2123423441 has 8 divisors (see below), whose sum is σ = 2146257960. Its totient is φ = 2100650112.

The previous prime is 2123423431. The next prime is 2123423443. The reversal of 2123423441 is 1443243212.

It can be written as a sum of positive squares in 4 ways, for example, as 204633025 + 1918790416 = 14305^2 + 43804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123423441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123423441.

It is not an unprimeable number, because it can be changed into a prime (2123423443) 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, 56261 + ... + 86093.

It is an arithmetic number, because the mean of its divisors is an integer number (268282245).

Almost surely, 2^2123423441 is an apocalyptic number.

It is an amenable number.

2123423441 is a deficient number, since it is larger than the sum of its proper divisors (22834519).

2123423441 is a wasteful number, since it uses less digits than its factorization.

2123423441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30595.

The product of its digits is 4608, while the sum is 26.

The square root of 2123423441 is about 46080.6189303052. The cubic root of 2123423441 is about 1285.3227733637.

Adding to 2123423441 its reverse (1443243212), we get a palindrome (3566666653).

The spelling of 2123423441 in words is "two billion, one hundred twenty-three million, four hundred twenty-three thousand, four hundred forty-one".