23030223540 has 24 divisors (see below), whose sum is σ = 64484626080. Its totient is φ = 6141392928.

The previous prime is 23030223497. The next prime is 23030223553. The reversal of 23030223540 is 4532203032.

It is a self number, because there is not a number n which added to its sum of digits gives 23030223540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191918470 + ... + 191918589.

It is an arithmetic number, because the mean of its divisors is an integer number (2686859420).

Almost surely, 2^23030223540 is an apocalyptic number.

23030223540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030223540 is an abundant number, since it is smaller than the sum of its proper divisors (41454402540).

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

23030223540 is a wasteful number, since it uses less digits than its factorization.

23030223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383837071 (or 383837069 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 23030223540 its reverse (4532203032), we get a palindrome (27562426572).

The spelling of 23030223540 in words is "twenty-three billion, thirty million, two hundred twenty-three thousand, five hundred forty".