2523321136 has 80 divisors (see below), whose sum is σ = 5806993408. Its totient is φ = 1039392000.

The previous prime is 2523321133. The next prime is 2523321137. The reversal of 2523321136 is 6311233252.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2523321133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521866 + ... + 526678.

Almost surely, 2^2523321136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523321136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903496704).

2523321136 is an abundant number, since it is smaller than the sum of its proper divisors (3283672272).

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

2523321136 is a wasteful number, since it uses less digits than its factorization.

2523321136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010 (or 5004 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 2523321136 is about 50232.6700066799. The cubic root of 2523321136 is about 1361.4159733349.

Adding to 2523321136 its reverse (6311233252), we get a palindrome (8834554388).

The spelling of 2523321136 in words is "two billion, five hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty-six".