1623126612 has 24 divisors (see below), whose sum is σ = 4010078016. Its totient is φ = 509216128.

The previous prime is 1623126611. The next prime is 1623126641. The reversal of 1623126612 is 2166213261.

1623126612 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1623126612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623126611) 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, 3978048 + ... + 3978455.

It is an arithmetic number, because the mean of its divisors is an integer number (167086584).

Almost surely, 2^1623126612 is an apocalyptic number.

1623126612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1623126612 is an abundant number, since it is smaller than the sum of its proper divisors (2386951404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623126612 is a wasteful number, since it uses less digits than its factorization.

1623126612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956527 (or 7956525 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 1623126612 is about 40288.0455222142. The cubic root of 1623126612 is about 1175.2153791391.

Adding to 1623126612 its reverse (2166213261), we get a palindrome (3789339873).

The spelling of 1623126612 in words is "one billion, six hundred twenty-three million, one hundred twenty-six thousand, six hundred twelve".