23030421240 has 64 divisors (see below), whose sum is σ = 69438528000. Its totient is φ = 6110577792.

The previous prime is 23030421221. The next prime is 23030421241. The reversal of 23030421240 is 4212403032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030421241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458332 + ... + 506091.

It is an arithmetic number, because the mean of its divisors is an integer number (1084977000).

Almost surely, 2^23030421240 is an apocalyptic number.

23030421240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030421240 is an abundant number, since it is smaller than the sum of its proper divisors (46408106760).

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

23030421240 is a wasteful number, since it uses less digits than its factorization.

23030421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964636 (or 964632 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23030421240 its reverse (4212403032), we get a palindrome (27242824272).

The spelling of 23030421240 in words is "twenty-three billion, thirty million, four hundred twenty-one thousand, two hundred forty".