23023276540 has 96 divisors (see below), whose sum is σ = 54650953728. Its totient is φ = 8071488000.

The previous prime is 23023276517. The next prime is 23023276553. The reversal of 23023276540 is 4567232032.

It is a junction number, because it is equal to n+sod(n) for n = 23023276496 and 23023276505.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1841992 + ... + 1854448.

It is an arithmetic number, because the mean of its divisors is an integer number (569280768).

Almost surely, 2^23023276540 is an apocalyptic number.

23023276540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23023276540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27325476864).

23023276540 is an abundant number, since it is smaller than the sum of its proper divisors (31627677188).

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

23023276540 is a wasteful number, since it uses less digits than its factorization.

23023276540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779 (or 12777 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 23023276540 in words is "twenty-three billion, twenty-three million, two hundred seventy-six thousand, five hundred forty".