2691423000 has 576 divisors, whose sum is σ = 11235931200. Its totient is φ = 577382400.

The previous prime is 2691422999. The next prime is 2691423011. The reversal of 2691423000 is 3241962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7496821 + ... + 7497179.

It is an arithmetic number, because the mean of its divisors is an integer number (19506825).

Almost surely, 2^2691423000 is an apocalyptic number.

2691423000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2691423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5617965600).

2691423000 is an abundant number, since it is smaller than the sum of its proper divisors (8544508200).

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

2691423000 is a wasteful number, since it uses less digits than its factorization.

2691423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2691423000 is about 51878.9263574334. The cubic root of 2691423000 is about 1391.0006079613. Note that the first 3 decimals are identical.

Adding to 2691423000 its reverse (3241962), we get a palindrome (2694664962).

The spelling of 2691423000 in words is "two billion, six hundred ninety-one million, four hundred twenty-three thousand".