2123444007 has 12 divisors (see below), whose sum is σ = 3247620480. Its totient is φ = 1332356928.

The previous prime is 2123443999. The next prime is 2123444087. The reversal of 2123444007 is 7004443212.

2123444007 is a `hidden beast` number, since 21 + 234 + 4 + 400 + 7 = 666.

It is not a de Polignac number, because 2123444007 - 2³ = 2123443999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123444087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6939207 + ... + 6939512.

It is an arithmetic number, because the mean of its divisors is an integer number (270635040).

Almost surely, 2^2123444007 is an apocalyptic number.

2123444007 is a deficient number, since it is larger than the sum of its proper divisors (1124176473).

2123444007 is a wasteful number, since it uses less digits than its factorization.

2123444007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878742 (or 13878739 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 2123444007 is about 46080.8420821495. The cubic root of 2123444007 is about 1285.3269229306.

Adding to 2123444007 its reverse (7004443212), we get a palindrome (9127887219).

The spelling of 2123444007 in words is "two billion, one hundred twenty-three million, four hundred forty-four thousand, seven".