23030453140 has 12 divisors (see below), whose sum is σ = 48363951636. Its totient is φ = 9212181248.

The previous prime is 23030453101. The next prime is 23030453141. The reversal of 23030453140 is 4135403032.

It can be written as a sum of positive squares in 2 ways, for example, as 10492724356 + 12537728784 = 102434^2 + 111972^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030453141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575761309 + ... + 575761348.

It is an arithmetic number, because the mean of its divisors is an integer number (4030329303).

Almost surely, 2^23030453140 is an apocalyptic number.

23030453140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030453140 is an abundant number, since it is smaller than the sum of its proper divisors (25333498496).

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

23030453140 is a wasteful number, since it uses less digits than its factorization.

23030453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151522666 (or 1151522664 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23030453140 its reverse (4135403032), we get a palindrome (27165856172).

The spelling of 23030453140 in words is "twenty-three billion, thirty million, four hundred fifty-three thousand, one hundred forty".