23122245540 has 48 divisors (see below), whose sum is σ = 64751484672. Its totient is φ = 6165056256.

The previous prime is 23122245527. The next prime is 23122245551. The reversal of 23122245540 is 4554222132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23122245498 and 23122245507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474597 + ... + 521043.

It is an arithmetic number, because the mean of its divisors is an integer number (1348989264).

Almost surely, 2^23122245540 is an apocalyptic number.

23122245540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23122245540 is an abundant number, since it is smaller than the sum of its proper divisors (41629239132).

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

23122245540 is a wasteful number, since it uses less digits than its factorization.

23122245540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54756 (or 54754 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 23122245540 its reverse (4554222132), we get a palindrome (27676467672).

The spelling of 23122245540 in words is "twenty-three billion, one hundred twenty-two million, two hundred forty-five thousand, five hundred forty".